Table 2.

Distribution of study groups, exposures and outcomes by covariates of sex and ethnicity.

	Sex		Ethnicity
	Male	Female	White British	Other ethnic group
ID	3.0%	2.5%	2.4%	8.4%
BIF	14.3%	12.9%	13.0%	25.8%
Others	82.7%	84.6%	84.6%	65.8%
Age 30
SE	52.2%	36.8%	45.4%	34.9%
NSE	7.4%	21.1%	14.1%	12.7%
Self-Employed	10.9%	5.9%	8.3%	11.8%
EI	29.5%	36.2%	32.3%	40.6%
Fair/poor health	27.2%	23.1%	24.8%	32.6%
High Malaise score	21.6%	22.7%	21.7%	29.8%
Age 34
SE	45.8%	28.7%	38.0%	30.4%
NSE	7.6%	24.8%	16.0%	13.9%
Self-Employed	11.8%	7.0%	9.4%	10.2%
EI	34.8%	39.5%	36.6%	45.5%
Fair/poor health	46.7%	44.2%	44.9%	57.2%
High Malaise score	20.8%	24.2%	22.3%	26.4%
Age 42
SE	40.3%	26.3%	34.0%	25.9%
NSE	6.1%	25.4%	15.6%	13.1%
Self-Employed	13.9%	8.5%	11.2%	13.4%
EI	39.7%	39.8%	39.3%	47.6%
Fair/poor health	26.5%	24.2%	25.1%	31.1%
High Malaise score	27.5%	30.6%	28.8%	32.2%