Table 3 Demographics of responders and non-responders
Variable | Total (N = 8478) | Responder (n = 4818) | Non-responder (n = 3660) | P-value |
|---|---|---|---|---|
Gender | Â | Â | Â | 0.960 |
 Male | 4651 (54.9) | 2642 (54.8) | 2009 (54.9) |  |
 Female | 3827 (45.1) | 2176 (45.2) | 1651 (45.1) |  |
Age (years) | Â | Â | Â | 0.813 |
 ≤ 3 | 6367 (75.1) | 3623 (75.2) | 2744 (75.0) |  |
 4–5 | 2111 (24.9) | 1195 (24.8) | 916 (25.0) |  |
Ethnic group |  |  |  |  < 0.001 |
 Han | 6555 (77.3) | 3874 (80.4) | 2681 (73.3) |  |
 Minority | 1923 (22.7) | 944 (19.6) | 979 (26.7) |  |
Administrative division |  |  |  |  < 0.001 |
 Municipal district | 3360 (39.6) | 1882 (39.1) | 1478 (40.4) |  |
 County-level city | 2187 (25.8) | 956 (19.8) | 1231 (33.6) |  |
 County/autonomous county | 2931 (34.6) | 1980 (41.1) | 951 (26.0) |  |
Rank of kindergarten |  |  |  |  < 0.001 |
Provincial/demonstration level | 2528 (29.8) | 1649 (34.2) | 879 (24.0) | Â |
 City-county level | 4500 (53.1) | 2376 (49.3) | 2124 (58.0) |  |
 Unrated level | 1450 (17.1) | 793 (16.5) | 657 (18.0) |  |
Type of kindergarten |  |  |  |  < 0.001 |
 Public | 5493 (64.8) | 3425 (71.1) | 2068 (56.5) |  |
 Private | 2985 (35.2) | 1393 (28.9) | 1592 (43.5) |  |