Wisit Chaveepojnkamjorn - Academia.edu (original) (raw)

Papers by Wisit Chaveepojnkamjorn

Journal of the Medical Association of Thailand = Chotmaihet thangphaet, 2005

A cross-sectional study was conducted from January, 2001 to June, 2002 among some migrant populat... more A cross-sectional study was conducted from January, 2001 to June, 2002 among some migrant populations, living in malaria endemic areas along the Thai-Myanmar border, in the Mae Fah Luang and Mae Sai districts, Chiang Rai Province, Northern Thailand using blood exams and face-to-face interviews as the research methods. This study focused on the knowledge and practice of primary malaria prevention, aimed at identifying the association between behavioral factors in migrant populations and malaria infection. P. vivax (51.8%) was detected more often than P. falciparum (47.7%). The proportion of malaria infections was 45.4% of the total of 421 blood examinations. The working age group (15-44 yr) and males were the majority of the study subjects. Two age groups (0-14 and 15-34 yr) and visiting or staying in the forest 14 days prior to the blood exam were significant risk factors. The ethnic group of Thai-Yai and hilltribe was a significant protective factor (p < 0. 05) compared to the M...

Southeast Asian Journal of Tropical Medicine and Public Health, 2012

The objective of this study was to evaluate alcohol consumption patterns among vocational school ... more The objective of this study was to evaluate alcohol consumption patterns among vocational school students in central Thailand. We conducted a cross sectional study among 1,803 vocational students (80.4 % aged < 17 years) in central Thailand using a self-administered questionnaire which consisted of 2 parts: sociodemographic factors and alcohol drinking behavior from December 2007 to February 2008. Descriptive statistics, a chi-square test and multiple logistic regression were used to analyze the data. The results of this study showed 40.9% of male students and 20.9% of female students drank alcoholic beverages. Multiple logistic regression analysis revealed 2 factors were associated with alcohol consumption among male subjects: field of study (OR 1.5, 95% CI 1.1-2.0), and GPA (OR < 2 = 1.8; 95% CI 1.2-2.7; OR > 3 = 0.6; 95% CI 0.4-0.9). The three most popular venues for drinking were at parties (43.1%), at home/in the dormitory (34.9%) and in bars or saloons near the school...

Southeast Asian Journal of Tropical Medicine and Public Health, 2010

A cross-sectional study was conducted to explore factors associated with alcohol consumption amon... more A cross-sectional study was conducted to explore factors associated with alcohol consumption among male high school students in central Thailand. Five thousand one hundred eighty-four male students from central Thailand were classified into 2 groups according to alcohol consumption during the past year (yes = 916, no = 4,268). Data were collected by an anonymous self-reporting questionnaire which consisted of 2 parts: socio-demographic factors and alcohol drinking behavior during the previous year from December 2007 to February 2008. Descriptive statistics, a chi-square test and multiple logistic regression were used to analyze the data. Seventeen point seven percent of male high school students in this study reported consuming alcohol. Most of the students (73.4%) were 15 years old or younger. Univariate analysis revealed socio-demographic factors, such as age, educational level, residence, cohabitants, grade point average (GPA), having a job earning money and having family members...

Abstract. The purpose of study was to determine the effect of a self-help group pro-gram on the q... more Abstract. The purpose of study was to determine the effect of a self-help group pro-gram on the quality of life among type 2 diabetic patients. The study subjects were type 2 diabetic patients attending one of six studied health centers or a community hospital in Saraburi Province, Thailand. At each health center/hospital, the patients were randomly allocated into the intervention group attending the self-help group program or the control group receiving diabetic services. Information was collected from September 2007 to April 2008 using a structured questionnaire with interview technique at baseline, 12 and 24 weeks. One hundred forty-six patients completed the program. Five self-help group programs carried out for 16 weeks gave instruction regarding building-up good relationships, improvement of knowledge about diabe-tes and skills for dietary control, skills in physical exercise, improvement of group structure, improvement of training skills for group leaders, self-monitoring, mo...

Journal of the Medical Association of Thailand = Chotmaihet thangphaet, 2004

This unmatched case-control study aimed to determine the relationship among caffeine drinks consu... more This unmatched case-control study aimed to determine the relationship among caffeine drinks consumption known as "energy drinks consumption", drug dependence and related factors in male construction workers in Chonburi Province. It was conducted during December 15, 2001 and February 15, 2002. Data were collected using interview questionnaires. The logistic regression was used to control possible confounding factors. The subjects consisted of 186 cases who had consumed energy drinks for more than 3 months and 186 controls who had given up for more than 3 months. They were frequency/group matched by age group. There was statistically significant association among energy drinks consumption and overtime work, motivation from advertisements, positive attitude of energy drinks consumption, alcohol drinks, smoking and ex-taking Kratom behavior. Multivariate analyses revealed that only 5 factors were related to energy drinks consumption: marital status (OR = 1.88, 95%CI: 1.14, 3.1...

The Southeast Asian journal of tropical medicine and public health, 2003

A cross-sectional study of 540 married Akha and Lisaw women of reproductive age was conducted in ... more A cross-sectional study of 540 married Akha and Lisaw women of reproductive age was conducted in Chiang Rai Province, Thailand, between June 1st and August 31st, 1999, in order to determine the seroprevalence of HBsAg and identify the risk factors for chronic HBsAg carriage. HBsAg was detected by the reverse passive hemagglutination technique (RPHA). Data were obtained by questionnaires and serological testing. There were 164 Lisaws and 376 Akhas: most were illiterate (88.71%) and the annual family income was < or = 9,999 baht (50.93%). The seroprevalence of HBsAg was 8.15%. Logistic regression analysis, controlling for possible confounding factors, revealed that one to five injections in the year prior to the study increased the risk of HBsAg carriage by a factor of 4.84 (95% CI = 1.42-16.49); more than six injections increased the risk by a factor of 5.84 (95% CI = 1.47-23.18).

The Southeast Asian journal of tropical medicine and public health, 2002

A hospital based case-control study was performed to determine causes of unintentional injuries a... more A hospital based case-control study was performed to determine causes of unintentional injuries among children aged 1-4 years at home. Data were obtained by interviewing parents and guardians of 242 children at Lerdsin Hospital in Bangkok, from August to October 1999. The results showed that falls were the most common type of injuries (54.6%). The age of 2 years comprised the major group (28.9%). The study subjects were injured within the home (60.7%). Sunday and Saturday were the most frequent days of injuries (18.2% and 16.5% respectively). The proportion of cases involving playing with others was 71.1%. Most of the injuries occurred in the period 16.00-19.00 hours (32.2%). Head and neck were the main injured area (45.5%). The multivariate model showed that children who had previous injuries were 19.22 times more likely to be injured again than those who had not previously been injured. Children with vigorous physical activities also had a higher risk (OR = 19.73, 95% CI 6.11-63.7...

The Southeast Asian journal of tropical medicine and public health, 2005

A cross-sectional study was conducted from June to December, 2003 among Thai Buddhist monks in 4 ... more A cross-sectional study was conducted from June to December, 2003 among Thai Buddhist monks in 4 provinces of the central region (Nonthaburi, Pathum Thani, Saraburi and Chai Nat) and in 4 provinces of the eastern region (Chachoengsao, Rayong, Trat, and Sa Kaeo) of Thailand. Data were collected using face to face interviews, questionnaires, and physical examination reports (weight, height, heart rate, blood pressure, etc) as the research tools. This study focused on sociodemographics, history of illness, and smoking behavior. The proportion of the cigarette smoking was 47.6% of the total of 920 Buddhist monks. The age group 20-34 years, Maha Nikaya section and Public temple were the majority of the study subjects. Multivariate analysis revealed that only four factors were related to smoking consumption: dharma education, Naktharm To (grade 2) (OR = 0.6, 95% Cl: 0.4-0.9), Naktharm Aek (grade 3) or above (OR = 0.4, 95% Cl: 0.2-0.6); Lay education, secondary school (OR = 0.7, 95% Cl: 0....

The Southeast Asian journal of tropical medicine and public health, 2008

A cross-sectional study was conducted to explore the quality of life (QOL) and compliance among t... more A cross-sectional study was conducted to explore the quality of life (QOL) and compliance among type 2 diabetic patients in Saraburi Province, Thailand. Compliance was assessed by evaluating dietary intake and life style patterns useful for diabetes patients to maintain health and prevent complications of the disease. A multistage sampling technique was used for selecting patients from 2 districts (Wihan Daeng and Nong Don) and subjects were classified into 2 groups according to a quality of life (QOL) score (good = 70, poor to moderate = 94) using WHOQOL-BREF-THAI criteria. Data were collected from September to December 2007 using a self-administered questionnaire. Simple descriptive statistics were used to provide basic information about the two groups and for analytical purposes the chi-square test and multiple logistic regression were applied. The majority (78.7%) of study participants were females. Most patients belonged to the age groups of either > 50 years (50%) or 40-49 ...

The Southeast Asian journal of tropical medicine and public health, 2004

A cross sectional study was conducted between January, 2001 and June, 2002 to determine the life-... more A cross sectional study was conducted between January, 2001 and June, 2002 to determine the life-style factors associated with malaria infection among hilltribes in the Chiang Rai Province, Mae Fah Luang district located along the Thai-Myanmar border, northern Thailand. The data collected were a thick blood film examination and a face-to-face interview using a local language interviewer at a mobile clinic or a home visit. The chi-square test, odds ratio, 95% confidence interval and multiple logistic regression were used as data analysis. P. vivax (61.3%) was detected more than P falciparum (38.2%). Parasitic infection was seen in 45.8% of a total of 417 blood examinations. The study area was in a valley covered with forests and small streams, which was ideal for a malaria epidemic. The communities were distributed along different ethnic groups. There were 12 ethnic groups, dominated by the Muser, Eko, and Akha tribes (60-70%). The risk factors included living or working in the fores...

The Southeast Asian journal of tropical medicine and public health, 2004

A population based case-control study was performed to determine factors associated with malaria ... more A population based case-control study was performed to determine factors associated with malaria infection among the migrant population, foreign nationals aged 15 years or over. Data were obtained from 217 malaria and 217 non-malaria patients attending the Vector-Borne Disease Control Units 6-9 (Thong Pha Phum and Sangkhla Buri districts) in Kanchanaburi Province and at the Vector-Borne Disease Control Units 1,9 (Mae Fa Luang and Mae Sai districts) in Chiang Rai Province, between June and December 2002. All study subjects were interviewed by trained interviewers using a structured interview form. The statistical analysis was carried out by the chi-square test and multivariate logistic regression: a p-value of less than 0.05 was considered to be statistically significant. The results showed that the study subjects were predominantly Thai-Yai and Myanmar. Plasmodium falciparum was the major type of the malaria (60.8%). Logistic regression analysis, controlling for possible confounding...

Asian Pacific Journal of Cancer Prevention : APJCP, 2017

Background: Breast cancer (BC) is the leading malignancy in women with high incidence and mortali... more Background: Breast cancer (BC) is the leading malignancy in women with high incidence and mortality worldwide. Obesity is one of several established risk factors for chronic diseases including cancer. The objective of this research was to determine the association of body mass index (BMI) with BC among Thai premenopausal women (TPW). Materials and Methods: A case-control study was conducted among TPW attending the National Cancer Institute in Bangkok, with 257 cases and 257 controls in 2013-2014. Cases and controls were matched by age (± 5 years), residential area and duration of attending. Data were collected with a questionnaire comprising 2 parts: part 1 socio-demographic characteristics, and part 2 health risk behavior and reproductive factors and BMI. The obtained data were analyzed using descriptive and analytic statistics with a computerized statistical package. Results: The study participants were mainly 40-44 years old (60 %) with an average age of 39 years. The major type ...

The Southeast Asian journal of tropical medicine and public health, 2015

The objective of this study was to determine factors associated with diabetic retinopathy (DR) am... more The objective of this study was to determine factors associated with diabetic retinopathy (DR) among type 2 diabetics in Thailand. We conducted a hospital based case-control study in Nakhon Nayok Province, between August 2008 and July 2010. The subjects were comprised of 230 cases (with DR) and 230 controls (without DR) who were gender and age matched. All subjects were interviewed and their medical records were reviewed. Seventy-five percent of subjects were married and 42% were aged 60-69 years. Fifty-five percent had a primary school education, 27% had no occupation and 67% had family income > 10,000 Baht per month. On multiple logistic regression analysis, factors associated with DR were: having a fasting plasma glucose (FPG) of 141-160 mg/dl, 161-180 mg/dl and > 180 mg/dl [OR = 7.23; 95% confidence interval CI: 2.80-18.72; OR = 4.33; 95% CI: 1.66-11.33, and OR = 3.76; 95% CI: 1.39-10.18], having a HbA1c > 9% (OR = 2.26; 95% CI: 1.15-4.43), having a BMI ≥ 30 kg/m2 (OR =...

Factors Associaed with Diabetic Retinopathy in Type 2 Diabetes Supatra Chaikaew ... more Factors Associaed with Diabetic Retinopathy in Type 2 Diabetes Supatra Chaikaew BNS, MSc (Public Health)* Natchaporn Pichainarong DrPH (Epidemiology)** Wisit Chaveepojnkamjorn DVM, MPH** Piangchan Rojanavipart MHS (Biostatistics)*** Petch Rawdaree MD,MSc (Epidemiology)**** * Amnatchareon Hospital ** Department of Epidemiology, Faculty of Public Health, Mahidol University *** Department of Biostatistic, Biostatic, Faculty of Public Health, Mahidol University **** Department of Medicine, BMA Medical college and Vajira HospItal Objective: To determine factors associated with diabetic retinopathy in type 2 diabetes. Study design: Hospital based case-control study. Setting: Diabetes Clinic, BMA Medical college and Vajira Hospital from May 2003 to September 2003. Subjects: Two hundred and sixty type 2 diabetes mellitus. One hundred and thirty...

The objective of this research was to study self-esteem and drinking refusal self-efficacy relate... more The objective of this research was to study self-esteem and drinking refusal self-efficacy related to hazardous alcohol consumption among upper-secondary school students. Eight hundred and fifty upper-secondary school students from Amphoe Muang, Nakhon Ratchasima Province were classified into 2 groups according to hazardous drinking (yes=107, no=743). Data were collected by questionnaires which comprised 4 parts: part 1 general characteristics, part 2 the Alcohol Use Disorders Identification Test (AUDIT), part 3 The Rosenberg Self-Esteem Questionnaire, and part 4 The Drinking Refusal Self-Efficacy Questionnaire. The obtained data were analyzed by using descriptive statistics and analytic statistics by computerized statistical package. The results revealed the percent of student’s hazardous drinking was 12.6%. Demographic factors related to hazardous drinking were age, gender and Grade Point Average (p

Asian Pacific Journal of Cancer Prevention : APJCP, 2017

Background: Breast cancer (BC) is an important issue both in medicine and public health as it is ... more Background: Breast cancer (BC) is an important issue both in medicine and public health as it is the leading malignancy with high incidence and mortality among women worldwide. The objective of this research was to determine the associations of BC with oral contraceptive (OC) use among Thai premenopausal women (TPW). Materials and Methods: A case-control study was conducted among TPW attending the National Cancer Institute, with 257 cases and 257 controls in 2013-2014. Cases and controls were matched by age (± 5 years), residential area and duration of attendance. Data were collected with a questionnaire that comprised 2 sections: part 1 socio-demographic characteristics, and part 2 health risk behavior and reproductive factors. The obtained data were analyzed using descriptive and analytic statistics with a computerized statistical package. Results: The study participants were mainly 40-44 years old (60 %) with an average age of 39 years. The major BC type was invasive ductal carci...

Glycemic Self Control in Type 2 Diabetes Mellitus Patients Wisit Chaveepojnkamjo... more Glycemic Self Control in Type 2 Diabetes Mellitus Patients Wisit Chaveepojnkamjorn DVM, MPH* Natchaporn Pichainarong DrPH* Muhsin Thabirauta MPH** *Department of Epidemiology, Faculty of Public Health, Mahidol University **Nursing Academy, Health Department, Banda Aceh, Indonesia Objective: To study factors of knowledge, self care and social support affecting the glycemic control in type 2 diabetes mellitus patients. Study design: Cross-sectional descriptive study. Setting: Diabetes Clinic, BMA Medical College and Vajira Hospital. Subjects: Two hundred and fifteen type 2 diabetes mellitus patients who attended the Diabetes Clinic, BMA Medical College and Vajira Hospital from January to February 2001 were divided into glycemic control group and non control group. Methods: Data were collected by questionnaires which comprised five parts: part 1 general characteristics including demography and socio-economy, part 2 knowledge of diabetes, part 3 self care, part 4...

Asian Pacific journal of cancer prevention : APJCP, 2009

The present nested case-control study within the Khon Kaen cohort study was conducted to assess r... more The present nested case-control study within the Khon Kaen cohort study was conducted to assess risk factors for cholangiocarcinoma (CCA) development. Cases were 108 subjects with proven CCA, by ultrasound at least, and controls also numbered 108, matched by sex, age (not more than 3 years difference) and period of recruitment to the cohort (not more than 3 months difference). A questionnaire was constructed based on that employed for the Khon Kaen cohort study recruitment. McNemar's chi-square test and conditional logistic regression were used for crude analysis and multiple conditional logistic regression for multivariate analysis. Results revealed a sex ratio of 2:1 for males:females. The current study found a statistically significant relationship when adjusted for other potential covariate factors between cholangiocarcinoma and the consumption of total fruits 3-4.6 times per day (OR= 0.32, 95% CI= 0.12-0.88) and history of Opisthorchis viverrini eggs in stools at recruitmen...

A point cross-sectional study was conducted to explore alcohol drinking and violence-related beha... more A point cross-sectional study was conducted to explore alcohol drinking and violence-related behaviors from December 2007 to February 2008 among female youths in central Thailand. Six thousand one hundred and seventy six female students were classified into 2 groups according to their alcohol drinking in the previous 30 days (yes = 358, no = 5,818). Data were collected by an anonymous self-administered questionnaire which consisted of 2 parts: general characteristics and social factors and violence-related behaviors during the last 2006. Of all these respondents 5.79 % admitted to drinking alcohol. Multiple binary logistic regression analysis, after adjusting for general characteristics and social factors, revealed that 5 violence-related behavioral factors were associated with current alcohol drinking: often carried a weapon (OR = 2.42, 95 % CI = 1.17–4.98), experience dating violence (OR = 2.46, 95 % CI = 1.47–4.14), ever forced to have sexual relationship (OR = 2.98, 95 % CI = 1....

Risk and protective factors of relapse in patients with first-episode schizophrenia from perspectives of health professionals: a qualitative study in northeastern Thailand, 2021

Background: Schizophrenia is a serious mental illness that can relapse after treatments. Risk and... more Background: Schizophrenia is a serious mental illness that can relapse after treatments. Risk and protective factors for relapse are dependent on multicultural contexts. Objective: To identify risk and protective factors related to relapse in first-episode schizophrenia (FES) in northeastern Thailand from perspectives of health professionals. Methods: This qualitative research collected data from 21 health professional staff members (psychiatric nurses, psychiatrists, psychologists, social workers, occupational therapists and nutritionist) of a tertiary psychiatric hospital of northeastern Thailand who had been involved in mental health care for schizophrenia for at least 5 years by in-depth interviews and group interview using semistructured interview schedule. Content analyses was used to identify staff perception of factors that put patients at risk of relapse. Results: Data analyses demonstrated that factors related to relapse in FES patients were drug adherence (drug discontinu...