Age, weight, height, menopause, low intakes of calcium and low 25(OH)D along with poor sunlight exposure are the major factors contributing to bone loss in Indian women above 40 years of age.
Purpose:The aim of study was to assess the prevalence of osteoporosis and changes in bone mass with increasing age and compare bone health status of apparently healthy men, premenopausal and postmenopausal women.Methods:Data were collected on anthropometric and sociodemographic factors in 421 apparently healthy Indian adults (women = 228), 40–75 years of age, in a cross-sectional study in Pune city, India. Bone mineral density (BMD) was measured by dual-energy X-ray absorptiometry at two sites-lumbar spine (LS) and left femur. Individuals were classified as having osteoporosis or osteopenia based on the World Health Organization criteria of T-scores.Results:Mean age of study population was 53.3 ± 8.4 years. Of the total women, 44.3% were postmenopausal with 49.2 ± 3.5 years as mean age at menopause. Postmenopausal women showed a rapid decline in BMD with age till 50 years while men showed a gradual decline. Premenopausal women showed no significant decline in BMD with age (P > 0.1). Significantly lower T-scores were observed at LS in men compared to premenopausal (P < 0.05). At left femur, T-scores were lower in men compared to premenopausal women (P < 0.05) but not postmenopausal women (P > 0.1). The prevalence of osteoporosis in men at LS was lower than postmenopausal women but higher than premenopausal women.Conclusion:In Indian men, a low T-score compared to women indicates higher susceptibility to osteoporosis. In women, menopause causes a rapid decline in BMD. Therefore, both Indian men and postmenopausal women require adequate measures to prevent osteoporosis during later years in life.
Micronutrient deficiencies are common consequences of the plant-based diet in children from developing countries which may affect their linear and ponderal growth. The aim of the study was to investigate the association between micronutrient status and growth indices in Indian girls. In cross-sectional studies (2006-2010), data on weight, height and diet were collected on 1302 girls (2-18 years) from Pune city, India. Fasting hemoglobin was measured on 1118 girls and serum zinc was measured on 695 girls. Height-for-age Z-scores (HAZ) and body mass index for age Z-score (BMIZ) were computed using contemporary Indian references. HAZ >-1 was observed in 54% girls, and 18.1% were short (HAZ <-2). BMIZ was within the reference range (-2-1 than in short girls even after adjusting for socioeconomic status (SES). The mean serum zinc level of thin girls (BMIZ <-2) was significantly lower than those of both normal and overweight girls after adjusting for SES. Micronutrient sufficiency is of paramount importance for adequate growth in Indian girls.
The aim of this study was to assess variation in bone mass from childhood through later age and to examine bone health status of Indian males and females. Lumbar spine (LS) bone mineral content (BMC) was measured by dual energy X-ray absorptiometry of lumbar vertebrae (L1-L4) in 683 males and 858 females (5-70 years) from Pune, India and apparent bone mineral density (BMAD) was calculated. A cubic regression model was fitted to describe the change in bone mineral content (BMC) with age in males and females separately. Regression analysis revealed that peak LS BMC was achieved around 26 years (63.6 +/- 11.0 g) for males and 30 years (54.1 +/- 11.6 g) for females. After 50 years of age, BMC showed an average annual decrease of 2.7% in males and 4.1% in females. Males had 11-15% higher mean BMAD than females after 50 years of age. T scores of 19% males and 28% females above 50 years, were less than -2.5 and T scores of 36% males and 43% females were between -1.0 and -2.5 when compared with the Lunar reference database. Low peak bone mass at a young age and higher bone loss in adults are alarming features of apparently healthy Indians.
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