![]() ![]() Data of health examinations during January 1985 to June 2005 were available including 714,181 height and weight measurements in 185,192 persons (53.9% women). The Vorarlberg health monitoring and prevention program (VHM& amp amp amp amp amp amp amp amp amp amp amp amp PP) is a population-based risk factor surveillance program in Vorarlberg. more To quantify changes in height, weight and their compound effect on the body mass index (BMI) in a large cohort of Central-European men and women. To quantify changes in height, weight and their compound effect on the body mass index (BMI) in a. Although a positive dose-response relationship was seen between walking duration and the 25(OH)D serum level for most seasons, vitamin D insufficiency was still very prevalent even in high-active persons during all seasons. The proportion of vitamin D insufficiency (& amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp lt 20 ng/mL) even in the highest quartile of walking duration was 45.3% in winter, 73.7% in spring, 17.4% in summer and 16.5% in the fall. Differences in 25(OH)D serum levels between the first and the last quartile were 3.42 ng/mL (p=0.002) in winter, 2.80 ng/mL (p=0.009) in spring, and 3.60 ng/mL (p& amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp lt 0.001) in the fall. Statistically significant linear associations between quartiles of walking duration with 25(OH)D serum levels were observed in all seasons but not in summer. Participants with prescribed vitamin D supplements were excluded. Least-square means of 25(OH)D serum levels were calculated for quartiles of average daily walking duration stratified by season and adjusted for gender, age and body mass index. ![]() Furthermore, the 25-hydroxyvitamin D (25(OH)D) level was measured. Physical activity was assessed in 1193 community-dwelling individuals aged ≥65 years (58% men) over 1 week using a thigh-worn accelerometer. more To analyse the seasonal relationship of objectively measured physical activity with vitamin D status in older persons from Southern Germany (latitude: 48.4°N). To analyse the seasonal relationship of objectively measured physical activity with vitamin D sta. ![]()
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