Table 3 Socio-demographic characteristics of the achieved net samples, compared with the original gross samples
| Â | Concurrent mixed-mode design | Sequential mixed-mode design | ||||
|---|---|---|---|---|---|---|
Gross sample (N = 3220) | Net sample (n = 617) | p-value | Gross sample (N = 3206) | Net sample (n = 561) | p-value | |
Sex (%) | ||||||
 Men | 50.1 | 45.1 | <0.05 | 49.7 | 42.6 | <0.05 |
 Women | 49.9 | 54.9 | 50.3 | 57.4 | ||
Age group (%) | ||||||
 18–29 years | 23.9 | 15.2 | <0.05 | 24.3 | 18.4 | <0.05 |
 30–44 years | 25.2 | 23.5 | 24.8 | 21.0 | ||
 45–64 years | 25.5 | 31.1 | 25.5 | 31.9 | ||
 ≥ 65 years | 25.5 | 30.1 | 25.4 | 28.7 | ||
Region of residence (%) | ||||||
 East | 49.3 | 53.3 | n.s. | 49.1 | 55.4 | <0.05 |
 West | 50.7 | 46.7 | 50.9 | 44.6 | ||
Residential area (%) | ||||||
 Urban | 51.1 | 59.0 | <0.05 | 50.6 | 58.3 | <0.05 |
 Rural | 48.9 | 41.0 | 49.4 | 41.7 | ||