C+C* | C+T† | p Value | |||
---|---|---|---|---|---|
n (%) | mean | n (%) | mean | ||
Total | 408 (44.7) | 504 | |||
Age in years | 408 | 7.6±3.1 | 504 | 7.6±3.1 | p=0.997‡ |
Sex | 408 | 504 | p=0.85§ | ||
Male | 207 (50.7) | 260 (51.6) | |||
Female | 201 (49.3) | 244 (48.4) | |||
BMI | 408 | 504 | p=0.50¶ | ||
Low BMI | 18 (4.4) | 29 (5.8) | |||
Normal BMI | 292 (71.6) | 366 (72.6) | |||
High BMI | 98 (24) | 109 (21.6) | |||
Ethnicity | 408 | 504 | p=0.95¶ | ||
Moroccan | 81 (19.9) | 107 (21.2) | |||
Turkish | 71 (17.4) | 86 (17.1) | |||
Indian subcontinent | 68 (16.7) | 73 (14.5) | |||
Dutch | 110 (27.0) | 137 (27.2) | |||
Chinese | 9 (2.0) | 12 (2.4) | |||
Black West-African | 29 (7.1) | 34 (6.7) | |||
Other | 41 (10.0) | 55 (10.9) | |||
Age category (years) | 408 | 504 | p=0.92¶ | ||
3–6 | 163 (40.0) | 200 (39.7) | |||
7–10 | 158 (38.7) | 191 (37.9) | |||
11–14 | 87 (21.3) | 113 (22.4) |
*C+C: Two drops of cyclopentolate 1%.
†C+T: One drop of cyclopentolate 1% followed by one drop of tropicamide 1%.
‡Independent Samples t test.
§χ2 test with Yates Continuity Correction.
¶χ2 test.
BMI, body mass index.