Table 5.

Observed/expected ratios for combinations of skin betting and gambling behaviour by socio-demographic/economic characteristics

	Neither bet with skins or gambled	Skin betting only	Other gambling only	Bet with skins and gambled on other activities	Bases: unweighted
Sex
Boys	1.0 (1.0, 1.1)	0.8 (0.6, 0.9)	0.9 (0.8, 1.0)	1.8 (1.3, 2.3)	1198
Girls	1 (0.9, 1.1)	0.7 (0.3, 1.0)	1 (0.8, 1.1)	4.2 (1.3, 7.2)	1333
Age
11–12	1.0 (0.9, 1.1)	0.9 (0.5, 1.3)	1 (0.8, 1.2)	1.6 (0.4, 2.8)	796
13–14	1.0 (0.9, 1.1)	0.7 (0.4, 0.9)	0.8 (0.6, 1.0)	3 (1.7, 4.3)	1101
15–16	1.0 (0.9, 1.1)	0.7 (0.4, 0.9)	0.9 (0.6, 1.0)	2.4 (1.7, 4.3)	666
Ethnic group
White/White British	1.0 (1.0, 1.1)	0.7 (0.6, 0.9)	0.9 (0.8, 1.0)	2.5 (1.9, 3.2)	1985
Black/Black British	*	*	*	*	110
Asian/Asian British	1.0 (0.9, 1.1)	0.7 (0.2, 1.0)	0.9 (0.7, 1.2)	2.5 (0.3, 4.7)	275
Mixed/other	*	*	*	*	160
Academic performance
Doing well	1.0 (1.0, 1.1)	0.8 (0.6, 0.9)	0.9 (0.8, 1.0)	2.3 (1.6, 3.0)	2078
Not doing well	1.1 (0.9, 1.2)	0.4 (0.2, 0.7)	0.8 (0.6, 1.0)	2.9 (1.7, 4.2)	303
Receipt of free school meals
Yes	1.0 (0.9, 1.2)	0.6 (0.2, 1.1)	0.9 (0.5, 1.2)	3.2 (0.7, 5.7)	241
No	1.0 (1.0, 1.1)	0.7 (0.6, 0.9)	0.9 (0.8, 1.0)	2.5 (1.9, 3.2)	2178

*Estimates not shown because of small cell sizes

^Because of rounding, the lower CI in some cells looks the same at the observed-expected ratio