Table 4.

Distribution between classes of the study variables in the analytic sample (n = 11,303; unweighted).

	Class 1—Non-prodromal eating pathology group (n = 5,640)		Class 2—Prodromal eating pathology group (n = 5,663)		Test
	N	M (SD)	N	M (SD)	F
Continuous variables
Risk taking, age 11	5,157	0.53 (0.16)	5,144	0.52 (0.16)	8.31**
Quality of decision-making, age 11	5,158	0.81 (0.16)	5,144	0.79 (0.17)	17.62**
Deliberation time, age 11	5,158	3297.08 (1358.39)	5,144	3362.80 (1296.98)	6.31*
Risk adjustment, age 11	4,090	1.05 (0.82)	3,962	1.00 (0.81)	7.20**
Delay-aversion, age 11	4,609	0.33 (0.19)	4,592	0.33 (0.20)	1.78
IQ, age 5	5,250	101.3 (14.91)	5,255	100.98 (14.72)	1.35
Internalizing symptoms, age 11	5,234	2.98 (3.00)	5,211	3.36 (3.22)	39.20**
Externalizing symptoms, age 11	5,236	4.30 (3.51)	5,203	4.42 (3.51)	2.94
Categorical variables
	N	%	N	%	χ 2
Puberty signs (female)
Yes	2,799	58.8	3,563	75.16	284.98**
No	1,955	41.2	1,177	24.84
Puberty signs (male)
Yes	2,047	42.65	2,639	55.72	162.85**
No	2,752	57.35	2,097	44.28
Gender-female	2,239	39.69	3,432	60.60	493.98**
Gender-male	3,401	60.31	2,231	39.40
Below poverty line	1,275	22.60	1,436	25.35	11.73**
Above poverty line	4,365	77.40	4,227	74.65
Ethnicity
White	4,671	82.95	4,579	80.90	8.01**
Mixed	155	2.75	168	2.97	0.47
Indian	145	2.57	163	2.87	0.98
Pakistani and Bangladeshi	403	7.16	464	8.20	4.31*
Black or Black British	171	3.04	192	3.39	1.14
Other ethnic group	86	1.53	94	1.67	0.32
Upper decile physical activity (derived from accelerometers)	428	17.88	305	13.15	20.03**
Lower deciles physical activity (derived from accelerometers)	1,965	82.12	2,013	86.85

^* p  < 0.05;

^**p < 0.01.