Table 1B.

Descriptive statistics for participants when they first participated in the ITC study.

	Australia		Canada		UK		US		Total
	N	%	N	%	N	%	N	%	N	%
Gender
Female	816	54.55	745	53.75	727	52.95	951	50.91	3239	52.90
Male	680	45.45	641	46.25	646	47.05	917	49.09	2884	47.10
Household income
Low	392	26.20	313	22.58	415	30.23	670	35.87	1790	29.23
Moderate	433	28.94	491	35.43	434	31.61	581	31.10	1939	31.67
High	572	38.24	472	34.05	403	29.35	538	28.80	1985	32.42
Not reported	99	6.62	110	7.94	121	8.81	79	4.23	409	6.68
Education level
Low	861	57.59	577	41.78	744	54.71	797	42.69	2979	48.81
Moderate	387	25.89	518	37.51	363	26.69	705	37.76	1973	32.33
High	247	16.52	286	20.71	253	18.60	365	19.55	1151	18.86
	M	SD	M	SD	M	SD	M	SD	M	SD
Age (in years)	49.46	12.70	50.98	11.89	50.75	13.28	53.89	12.63	51.09	12.73
Time between assessment (in years)	1.49	0.32	1.82	0.45	1.64	0.24	1.64	0.37	1.65	0.37