1999 | 2007 | 1999–2007 | |||
% (n) | % (n) | % (n) | OR (95% CI, unadjusted) | OR (95% CI, adjusted) | |
Dutch | |||||
Boys | |||||
3–6 years | 7.6 (1683) | 5.2 (1474) | 7.2 (1241) | 0.972 (0.949 to 0.995)* | 0.975 (0.952 to 0.998)* |
7–10 years | 10.8 (916) | 13.1 (793) | 11.9 (675) | 1.031 (1.002 to 1.060)* | 1.040 (1.011 to 1.070)** |
13–16 years | 11.5 (113) | 12.2 (637) | 14.4 (374) | 0.849 (0.757 to 0.952)** | 0.981 (0.933 to 1.031) |
Total | 8.8 (2712) | 8.9 (2904) | 8.9 (229) | 1.010 (0.994 to 1.027) | 0.983 (0.967 to 1.000) |
Girls | |||||
3–6 years | 10.8 (1689) | 8.4 (1447) | 9.9 (1643) | 0.970 (0.950 to 0.990)** | 0.971 (0.951 to 0.991)** |
7–10 years | 16.2 (819) | 14.1 (834) | 15.7 (872) | 0.976 (0.951 to 1.001) | 0.984 (0.959 to 1.010) |
13–16 years | 13.2 (129) | 12.7 (608) | 14.7 (382) | 0.888 (0.791 to 0.996)* | 0.972 (0.927 to 1.018) |
Total | 12.6 (2637) | 10.9 (2889) | 11.7 (2897) | 0.979 (0.965 to 0.994)** | 0.963 (0.948 to 0.978)*** |
Turkish | |||||
Boys | |||||
3–6 years | 12.0 (459) | 15.9 (441) | 13.9 (657) | 1.027 (0.994 to 1.062) | 1.028 (0.994 to 1.063) |
7–10 years | 21.3 (150) | 28.1 (392) | 24.0 (428) | 1.074 (1.033 to 1.117)*** | 1.076 (1.035 to 1.119)*** |
13–16 years | 18.4 (38) | 20.6 (175) | 25.4 (210) | 0.858 (0.762 to 1.016) | 1.047 (0.983 to 1.116) |
Total | 14.5 (647) | 21.4 (1008) | 17.6 (1295) | 1.035;1.011 to 1.060)** | 1.037 (1.012 to 1.062)** |
Girls | |||||
3–6 years | 17.0 (406) | 18.7 (406) | 17.3 (776) | 1.035 (1.003 to 1.068)* | 1.035 (1.003 to 1.069)* |
7–10 years | 28.0 (161) | 28.3 (339) | 26.7 (419) | 1.002 (0.963 to 1.042) | 1.003 (0.964 to 1.044) |
13–16 years | 10.9 (46) | 23.5 (136) | 23.2 (179) | 0.949 (0.785 to 1.147) | 1.056 (0.987 to 1.129) |
Total | 19.4 (613) | 23.2 (881) | 20.1 (1374) | 1.019 (0.995 to 1.043) | 1.02 (0.996 to 1.044) |
Moroccan | |||||
Boys | |||||
3–6 years | 12.8 (374) | 11.8 (357) | 11.9 (432) | 0.984 (0.945 to 1.024) | 0.984 (0.945 to 1.024) |
7–10 years | 10.7 (140) | 20.8 (231) | 17.5 (214) | 1.050 (0.997 to 1.106) | 1.050 (0.996 to 1.106) |
13–16 years | 9.5 (21) | 22.7 (132) | 16.2 (99) | 1.202 (0.962 to 1.502) | 1.118 (1.014 to 1.233)* |
Total | 12.1 (535) | 16.7 (720) | 13.7 (745) | 1.023 (0.993 to 1.054) | 1.011 (0.981 to 1.042) |
Girls | |||||
3–6 years | 20.3 (325) | 18.0 (333) | 17.4 (616) | 1.024 (0.989 to 1.061) | 1.023 (0.988 to 1.060) |
7–10 years | 20.3 (138) | 24.8 (286) | 22.0 (283) | 1.032 (0.986 to 1.080) | 1.032 (0.986 to 1.080) |
13–16 years | 18.5 (65) | 17.7 (141) | 23.5 (167) | 0.916 (0.758 to 1.107) | 0.986 (0.925 to 1.052) |
Total | 20.1 (528) | 20.5 (760) | 19.2 (1066) | 1.026 (1.000 to 1.053) | 1.015 (0.989 to 1.042) |
Surinamese South Asian | |||||
Boys | |||||
3–6 years | 6.7 (343) | 7.3 (261) | 5.6 (179) | 1.032 (0.971 to 1.096) | 1.030 (0.969 to 1.095) |
7–10 years | 12.3 (179) | 22.7 (220) | 16.6 (192) | 1.107 (1.048 to 1.169)*** | 1.108 (1.049 to 1.170)*** |
13–16 years | 14.3 (28) | 15.3 (111) | 16.8 (108) | 0.880 (0.707 to 1.096) | 0.995 (0.912 to 1.086) |
Total | 8.9 (550) | 14.5 (592) | 9.6 (479) | 1.083 (1.044 to 1.124)*** | 1.034 (0.996 to 1.074) |
Girls | |||||
3–6 years | 5.0 (317) | 6.7 (240) | 7.5 (216) | 0.967 (0.917 to 1.024) | 0.976 (0.923 to 1.032) |
7–10 years | 15.7 (178) | 20.7 (188) | 19.2 (220) | 1.044 (0.991 to 1.100) | 1.048 (0.994 to 1.104) |
13–16 years | 15.6 (32) | 11.9 (126) | 13.8 (95) | 0.863 (0.682 to 1.091) | 0.987 (0.904 to 1.078) |
Total | 9.3 (527) | 12.6 (554) | 11.3 (531) | 1.009 (0.975 to 1.044) | 0.984 (0.950 to 1.020) |
Sex and age group in 1999 and 2007 and for the whole period 1999–2007; unadjusted and adjusted OR and 95% CI for 1999 through 2007 with year of examination as independent variable, adjusted for socioeconomic status (age group) or socioeconomic status and age (totals per sex per ethnic group).
*p<0.05; **p<0.01; ***p<0.001.