The study aims at appraising gender differences in health-related practices, and health behaviour among university students of the Khon Kaen University, northeast Thailand, using a self-administered questionnaire. Of 539 university students, there were 155 males, 384 females, with mean ages 19.7 (+/- 1.2) and 19.6 (+/- 1.1) years, respectively. Persistent health problems were not significantly different between male and female students (12.9% vs. 15.4%). An average body mass index (BMI) was significantly different between male and female students (20.2 +/- 2.1 vs. 19.8 +/- 2.1). Female students reported positive health habits, in terms of drinking, smoking, sun protection, tooth brushing, fruit consumption, conscious efforts to avoid fat and cholesterol, over men, while regular exercise and safety belt use were more likely practised among male students. Using ANOVA and pairwise multiple comparisons, female students demonstrated better health eating habits than men (p = 0.0001). Coronary heart disease preventive habits between the medical and nonmedical faculty was greater for female students than for male students (p = 0.0006 for gender; p = 0.0001 for faculty). Health behaviour (combination of health eating habits, deliberate nutritional practices and coronary heart diseases preventive behaviour) was found to be better practised among women than men (p = 0.0001). These findings, therefore, should focus attention on university students as a target group for health education.

An epidemiologic survey of the prevalence of xerophthalmia and vitamin A deficiency was conducted in May and June 1985 in a multistage random sample of 1,772 children 1-8 years of age from 16 rural villages and the capital city of the Sakon Nakhon province in northeastern Thailand. Data of clinical eye examinations were available for 92% (n = 903) of the eligible children aged 1-5 years (n = 982); history of night blindness was obtained from a reliable source from 93% (n = 1,644) of the whole sample; and biochemical data were available for 60% (1,060) of the children examined. The distribution of clinical signs of xerophthalmia and serum retinol levels differed between the rural and urban areas. In the urban area, no signs of xerophthalmia or deficient serum retinol levels were found in the preschool children examined. The prevalence of night blindness in the rural area was 1.3% in children aged 1-5 years (95% confidence interval (Cl) 0.7-1.9); Bitot's spots were seen in 0.4% (95% Cl 0.1-1.0); 12.7% (95% Cl 9.9-15.5) showed deficient serum retinol levels (less than 0.35 mumol/liter). Of the children aged 1-8 years, 9.6% (95% Cl 7.8-11.4) showed deficient serum retinol levels. In the rural area, the prevalence of night blindness, Bitot's spots, and deficient serum retinol levels indicates a problem of public health importance according to World Health Organization criteria.

The present study describes the initial phase of the Thai Twin Registry (TTR) in Khon Kaen University, a pioneer research university located in the Northeast of Thailand. The initial steps of the study included the analysis of dermatoglyphic information in Thai twins for answering the research question: Are monozygotic (MZ) and dizygotic (DZ) twins different in dermatoglyphic variables? Subjects were 212 twin pairs (81 MZ and 131 DZ), consisting of 155 males and 269 females. Four types of fingerprint pattern (FP) -that is, arch, radial loop, ulnar loop, and whorl -were classified and analyzed and compared between MZ and DZ twins. The arch radial loop and whorl frequencies differ between MZ and DZ twins. When comparing FP in each finger, only the right little finger shows a statistically different FP, while the FP similarity average from 10 homologous fingers of co-twins was greater in MZ than DZ twins. By using the Area Under the Receiver Operating Characteristic curve analysis, the MZ twins could be differentiated from DZ twins by the FP similarity. Summarizing, this valuable report about TTR was conducted by analysis of FP data, which indicated that the MZ and DZ twins exhibited FP pattern and FP similarity differences. Other dermatoglyphic studies of the existing FP database, such as finger ridge count, finger ridge density, and minutia, will be considered for ongoing research at the TTR.Keywords: Twin registry, fingerprint pattern, similarity, zygosity, Receiver Operating Characteristic, ThailandThe population of Thailand is nearly 64 million (Ministry of Public Health Thailand, 2010). The most populated region is the North-Eastern region, which has a population of approximately 33.8% of the total Thai population. Khon Kaen University (KKU), one of the national research universities of Thailand, is located in Khon Kaen province, which is a major center in the Northeast. Although a twin registry has not been established in KKU, a few studies of Thai twins have been performed with a forensic science purpose. Consequently, a database of palm prints and fingerprints of those twin subjects is available. Twins are of special interest for genetic studies due to their genetic similarity. Fingerprint pattern (FP) inheritance is under the control of at least seven different genes (Slatis et al., 1976) coupled with an embryonic environmental factor (Penrose & Ohara, 1973). The Thai Twin Registry (TTR) has been established in KKU. Starting with fingerprint research using an existing Thai twin dermatoglyphic database, interesting questions have been raised such as: (1) Are monozygotic (MZ) twins more similar than dizygotic (DZ) twins in dermatoglyphic variables? (2) To what extent do genetic and environmental factors influence dermatoglyphic variables in the Thai population? The present study summarizes how to obtain dermatoglyphic data and the results of dermatoglyphic analyses, and some of those research questions are explored as well. Aims of the TTRThe ultimate goal of the TTR is to establish a database of Thai twin ...

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