Table 7.

Comparison of measurements by questionnaire and lifetime calendar for controls of hours spent in the sun in summer at T1

Age span (y)Response by calendar relative to questionnaire
2+ lower % (n)1 category lower % (n)Same category % (n)1 category higher % (n)2+ higher % (n)Bowker's test of symmetry (P)
6-103.0 (8)6.0 (16)67.5 (181)14.9 (40)8.6 (23)< 0.01
11-152.9 (8)10.3 (28)62.1 (169)17.3 (47)7.4 (20)0.02
16-207.4 (20)18.1 (49)46.9 (127)19.2 (52)8.5 (23)0.56
Last 34.8 (13)8.9 (24)38.5 (104)25.6 (69)22.2 (60)< 0.01