Table 3 Estimates of decomposition analysis for contribution of various explanatory variables for IADL among older adults in India
Background characteristics | Coefficient | Elasticity | Concentration Index | Absolute contribution | % Contribution | Â |
|---|---|---|---|---|---|---|
Age (years) | ||||||
 60–69 | 1.00 |  |  |  |  |  |
 70–79 | 0.62* | 0.032 | −0.015 | 0.000 | 1.3 |  |
 80+ | 1.63* | 0.028 | 0.019 | 0.001 | −1.4 | −0.1 |
Sex | ||||||
 Men | 1.00 |  |  |  |  |  |
 Women | −0.55* | −0.063 | −0.033 | 0.002 | −5.7 | −5.7 |
Educational status | ||||||
 No education | 1.00 |  |  |  |  |  |
 Below 5 years | −0.56* | −0.026 | 0.001 | 0.000 | 0.1 |  |
 6 to 10 years | − 0.83* | −0.045 | 0.260 | −0.012 | 31.7 |  |
 11+ years | −1.58* | − 0.021 | 0.614 | −0.013 | 35.2 | 67.0 |
Marital status | ||||||
 Not in union | 1.00 |  |  |  |  |  |
 Currently in union | −0.21* | −0.027 | 0.040 | − 0.001 | 2.9 | 2.9 |
Living arrangement | ||||||
 Alone | 1.00 |  |  |  |  |  |
 With spouse | 1.03* | 0.029 | −0.197 | − 0.006 | 15.5 |  |
 With children | 1.42* | 0.191 | 0.089 | 0.017 | −46.5 |  |
 Others | 1.38* | 0.021 | 0.092 | 0.002 | −5.4 | −36.5 |
Working status | ||||||
 No | 1.00 |  |  |  |  |  |
 Yes | −0.76* | −0.039 | − 0.174 | 0.007 | −18.8 |  |
 Retired | −0.21* | −0.001 | 0.518 | −0.001 | 1.5 | −17.3 |
Having children | ||||||
 Yes | 1.00 |  |  |  |  |  |
 No | 0.03 | 0.001 | −0.359 | 0.000 | 0.8 | 0.8 |
Self-rated health | ||||||
 Good | 1.00 |  |  |  |  |  |
 Poor | 0.55* | 0.054 | −0.038 | −0.002 | 5.6 | 5.6 |
Chronic diseases | ||||||
 No | 1.00 |  |  |  |  |  |
 Yes | 0.14* | 0.012 | 0.051 | 0.001 | −1.6 | −1.6 |
Substance use | ||||||
 No | 1.00 |  |  |  |  |  |
 Yes | −0.08 | −0.004 | −0.120 | 0.000 | −1.3 | −1.3 |
Wealth quintile | ||||||
 Poorest | 1.00 |  |  |  |  |  |
 Poorer | −0.13 | −0.009 | −0.338 | 0.003 | −7.8 |  |
 Middle | −0.16 | −0.010 | 0.138 | −0.001 | 3.8 |  |
 Richer | −0.30* | −0.015 | 0.522 | −0.008 | 21.0 |  |
 Richest | −0.33* | −0.010 | 0.761 | −0.008 | 21.3 | 38.2 |
Religion | ||||||
 Hindu | 1.00 |  |  |  |  |  |
 Muslim | 0.41* | 0.005 | 0.146 | 0.001 | −2.1 |  |
 Sikh | 0.06 | −0.001 | 0.311 | 0.000 | 1.2 |  |
 Others | −0.17 | −0.002 | 0.295 | −0.001 | 1.4 | 0.6 |
Caste | ||||||
 Scheduled Caste | 1.00 |  |  |  |  |  |
 Scheduled Tribe | 0.06 | 0.000 | −0.444 | 0.000 | −0.5 |  |
 Other Backward Class | −0.05 | 0.002 | −0.029 | 0.000 | 0.1 |  |
 Others | 0.06 | 0.004 | 0.220 | 0.001 | −2.5 | −2.8 |
Place of residence | ||||||
 Rural | 1.00 |  |  |  |  |  |
 Urban | −0.16* | −0.003 | 0.248 | −0.001 | 2.2 | 2.2 |
State | ||||||
 Himachal Pradesh | 1.00 |  |  |  |  |  |
 Punjab | 0.05 | −0.001 | 0.331 | 0.000 | 0.5 |  |
 West Bengal | 0.56* | 0.010 | −0.163 | −0.002 | 4.7 |  |
 Orissa | 0.79* | 0.015 | −0.368 | −0.006 | 15.4 |  |
 Maharashtra | −0.26* | −0.009 | − 0.126 | 0.001 | −3.2 |  |
 Kerala | −1.04* | −0.030 | 0.350 | −0.011 | 28.9 |  |
 Tamil Nadu | 0.22* | 0.003 | −0.221 | −0.001 | 1.7 | 48.0 |
Calculated CCI |  |  |  | −0.037 | 100.0 |  |
Actual CCI |  |  |  | −0.073 |  |  |
Residual |  |  |  | −0.036 |  |  |