Table 5.

Summary table of fully adjusted multinomial odds ratios for regular (weekly) gambling in males and females at each of the three time points

Fully adjusted ORs (95% CI)	Males			Females
	Age 17 years	Age 20 years	Age 24 years	Age 17 years	Age 20 years	Age 24 years
IQ at 8 years
Bottom quartile	2.01 (1.27, 3.17)	1.82 (1.14, 2.91)
Locus of control at 16.5 years
> Median [external]	2.00 (1.40, 2.85)			1.82 (1.17, 2.82)
Sensation seeking at 17 years	1.03 (1.00, 1.07)	1.04 (1.01, 1.07)
Smoking cigarettes at 16.5 years
Tried	1.86 (1.16, 2.96)			1.57 (0.98, 2.54)
< Weekly	2.15 (0.97, 4.76)			1.64 (0.73, 3.69)
≥ Weekly	2.57 (1.41, 4.67)			3.36 (1.97, 5.71)
Smoking cigarettes at 21 years
≥ Weekly		1.71 (1.11, 2.62)			1.99 (1.35, 2.95)
Alcohol use at 21 years
Hazardous		2.33 (1.65, 3.31)			1.52 (1.05, 2.20)
Harmful		5.33 (3.08, 9.22)			1.80 (1.01, 3.22)
Smoking cigarettes at 23 years
≥ Weekly			2.37 (1.49, 3.78)			2.51 (1.58, 4.00)
Social media use at 24 years
2–10 times/day			1.80 (1.07, 3.02)			1.92 (0.89, 4.13)
> 10 times/day			3.05 (1.78, 5.21)			2.80 (1.29, 6.09)
Maternal education pregnancy
Degree higher than A level	0.27 (0.14, 0.53)	0.34 (0.17, 0.68)	0.38 (0.20, 0.74)	0.15 (0.05, 0.47)	0.18 (0.08, 0.40)	0.37 (0.18, 0.77)
Maternal gambling child age 6 years
< Weekly		1.88 (1.20, 2.93)	1.78 (1.11, 2.86)			1.51 (0.90, 2.52)
≥ Weekly		2.06 (1.31, 3.26)	2.58 (1.70, 3.91)			2.43 (1.50, 3.93)
Paternal gambling child age 6 years
< Weekly	1.53 (0.84, 2.81)	1.67 (1.00, 2.78)	1.59 (0.95, 2.66)		1.33 (0.75, 2.36)
≥ Weekly	2.19 (1.12, 4.29)	2.23 (1.25, 3.98)	1.84 (1.09, 3.10)		2.23 (1.20, 4.12)
Mother’s gambling child age 18 years
No problem gambler	1.51 (1.01, 2.26)
Low–high risk gambler	1.74 (0.60, 5.10)
Housing child age 18 years
Council/housing association						2.60 (1.31, 5.14)

Those significant after full adjustment at one or more time points are shown in bold. The blank entries are either non-significant or not measured at that age