Skip to main content

Table 1 Characteristics of the study population, WHO-SAGE Wave 1 (2007/10)

From: Association of life course socioeconomic status and adult height with cognitive functioning of older adults in India and China

Background Characteristics Categories India China
Mean age (years, SD)   61.5 (8.89) 62.6(8.96)
Mean height (cm, SD)   156.7(9.97) 159.2(8.68)
Mean cognitive functioning (score, SD)   38.1 (10.01) 50.9 (11.8)
  % %
Sex Male 51.0 49.8
Female 49.0 50.2
Residence Urban 28.9 47.4
Rural 71.1 52.6
Marital status Married 76.9 85.1
Otherwise 23.1 14.9
Schooling No formal education 50.8 22.6
Less than primary 10.9 18.8
Completed secondary 24.4 40.9
Higher secondary (HS) and above 13.9 17.7
Wealth quintile Poorest 18.2 16.3
Poorer 19.5 18.1
Middle 18.8 20.5
Richer 19.6 23.3
Richest 23.9 21.8
Own employment Never worked 27.0 8.6
Informal employment 22.2 2.6
Self-employed 36.4 45.2
Private/public sector 14.4 43.6
Mother’s education No formal education 90.2 87.4
Less than primary 5.3 6.0
Completed secondary 3.9 5.1
Higher secondary (HS) and above 0.6 1.5
Father’s education No formal education 66.6 68.7
Less than primary 13.3 12.9
Completed secondary 15.4 13.9
Higher secondary (HS) and above 4.8 4.5
Mother’s employment Never worked 65.5 38.7
Informal employment 17.6 1.8
Self-employed 14.5 48.6
Private/public sector 2.5 10.9
Father’s employment Never worked 2.8 24.8
Informal employment 26.4 2.0
Self-employed 57.1 51.1
Private/public sector 13.7 22.1
Body mass index Underweight 38.3 4.1
Normal weight 48.3 59.9
Overweight 10.6 29.9
Obesity 2.8 6.1
Self-rated health Good 77.6 78.8
Poor 22.4 21.2
1 + ADL No 47.8 87.1
Yes 52.2 12.9
Sleep problems No 85.5 97.3
Yes 14.5 2.7
Edentulism (Teeth loss) No 84.9 90.9
Yes 15.1 9.1
Tobacco use No 53.1 73.6
Yes 46.9 26.4
Alcohol use No 96.0 83.2
Yes 4.0 16.8
Physical inactivity No 68.5 61.2
Yes 31.5 38.8
Self-reported depression No 95.9 99.7
Yes 4.1 0.3
Observations 6560 13,106