Table 7.

Mean (SD) self-rated health in the clusters for T1 and T2 for two age groups separately

Cluster	Age group T1 (yrs)	N	T1	T2	T2-T1	T	df	p
Cluster 1	11-13	56	1.64 (0.55)	1.70 (0.63)	+ 0.06	- .54	55	.595
	14-17	95	1.86 (0.68)	1.64 (0.67)	- 0.22	2.89	94	.005
Cluster 2	11-13	136	1.81 (0.59)	1.84 (0.61)	+ 0.03	- .50	135	.619
	14-17	203	1.89 (0.52)	1.80 (0.56)	- 0.09	1.89	202	.060
Cluster 3	11-13	44	1.93 (0.63)	1.86 (0.59)	- 0.07	.65	43	.519
	14-17	109	2.05 (0.66)	1.97 (0.70)	- 0.08	.99	108	.327
Cluster 4	11-13	124	1.90 (0.58)	1.79 (0.51)	- 0.11	1.74	123	.085
	14-17	186	1.81 (0.58)	1.90 (0.64)	+ 0.09	−1.86	185	.065
Total	11-13	360	1.83 (0.59)	1.80 (0.58)	- 0.03	.74	359	.459
	14-17	593	1.89 (0.60)	1.84 (0.64)	- 0.05	1.74	592	.083