Table 4.

Comparisons of the distributions of the four mental health profiles between 2002 and 2010 and between 2010 and 2018 for the total samples and for boys and girls separately.

	Perceived good health	Perceived bad health	High symptoms	Poor mental health
Total sample:
2002	49.9	9.7	31.9	8.4
2010	52.9	8.4	30.9	7.8
Chi2 (3df) = 2.76, p = 0.430, Cramér's V = 0.03
2010	52.9t	8.4t	30.9a	7.8
2018	42.1a	3.2a	46.8t	7.9
Chi2 (3df) = 81.31, p < 0.001, Cramér's V = 0.18
Boys:
2002	64.5	8.3	23.5	3.7
2010	68.3	6.3	21.8	3.6
Chi2 (3df) = 2.64, p = 0.451, Cramér's V = 0.05
2010	68.3t	6.3	21.8a	3.6
2018	57.2a	3.8	34.9t	4.1
Chi2 (3df) = 27.27, p < 0.001, Cramér's V = 0.15
Girls:
2002	35.6	11.1	40.2	13.1
2010	37.2	10.5	40.3	12.0
Chi2 (3df) = 0.59, p = 0.899, Cramér's V = 0.02
2010	37.2t	10.5t	40.3a	12.0
2018	29.1a	2.7a	57.0t	11.3
Chi2 (3df) = 51.20, p < 0.001, Cramér's V = 0.21

The table shows the percentages for each of the four mental health profiles for respective survey year.

^t = type, cell frequency higher than expected by chance;

^a = antitype, cell frequency lower than expected by chance.