Table 7 Odds ratios with 95% confidence intervals (in brackets) and percentages of non-responders indicating the factors associated with non-response to questionnaire items eliciting information on income.
| Â | Withholding income data | |||
|---|---|---|---|---|
Sub-population | Weighted estimates | Un-weighted estimates | ||
| Â | % | OR (95% C.I.) | % | OR (95% C.I.) |
Highest education level** | Â | Â | Â | Â |
Primary & All Age | 24.7 | 1.0 | 27.3 | 1.0 |
Secondary | 34.7 | 1.73 (1.24, 2.41) | 33.1 | 1.53 (1.17, 1.99) |
Tertiary | 27.7 | 1.55 (0.82, 2.93) | 27.7 | 1.43 (0.93, 2.18) |
Unemployed** | Â | Â | Â | Â |
Yes | 42.4 | 1.0 | 40.5 | 1.0 |
No | 25.1 | 0.48 (0.34, 0.67) | 24.6 | 0.52 (0.41, 0.66) |
Age categories (years)** | Â | Â | Â | Â |
15–24 | 43.5 | 1.0 | 41.9 | 1.0 |
25–34 | 21.1 | 0.37 (0.26, 0.53) | 22.2 | 0.42 (0.30, 0.58) |
35–44 | 26.2 | 0.56 (0.36, 0.85) | 26.6 | 0.58 (0.42, 0.81) |
45–54 | 21.5 | 0.55 (0.35, 0.86) | 22.7 | 0.58 (0.39, 0.87) |
55–64 | 31.3 | 0.77 (0.47, 1.26) | 32.3 | 0.79 (0.53, 1.18) |
65–75 | 38.4 | 0.99 (0.64, 1.53) | 39.9 | 1.07 (0.72, 1.60) |
Gender | Â | Â | Â | Â |
Male | 27.9 | 1.00 | 27.9 | 1.00 |
Female | 32.8 | 0.98 (0.71, 1.35) | 31.5 | 1.01 (0.81, 1.28) |
Health Regions** | Â | Â | Â | Â |
South East | 25.8 | 1.00 | 25.0 | 1.00 |
North East | 20.7 | 1.07 (0.39, 2.96) | 22.9 | 1.27 (0.88, 1.83) |
South | 45.0 | 3.15 (1.26, 7.90) | 45.5 | 3.32 (2.45, 4.49) |
West | 36.3 | 2.26 (1.18, 4.35) | 35.0 | 2.30 (1.68, 3.15) |
Socioeconomic Status 1 | Â | Â | Â | Â |
Low | 30.1 | 1.00 | 29.2 | 1.00 |
Middle | 30.6 | 1.08 (0.74, 1.59) | 31.2 | 1.12 (0.89, 1.42) |
High | 29.8 | 0.95 (0.43, 2.10) | 29.5 | 1.03 (0.65, 1.61) |
Urban resident | Â | Â | Â | Â |
No | 28.6 | 1.0 | 28.8 | 1.0 |
Yes | 32.3 | 1.54 (0.77, 3.07) | 32.0 | 1.66 (1.29, 2.15) |