Table 1. Sample demographics.

	Total Sample n (%)	TD n (%)	NDC n (%)
Child’s Sex
Female	96 (49.2)	60 (49.2)	36 (49.3)
Male	99 (50.8)	62 (50.8)	37 (50.7)
Child’s Ethnicity
White	145 (74.4)	85 (69.7)	60 (82.2)
Black	5 (2.6)	3 (2.5)	2 (2.7)
Asian	11 (5.6)	8 (6.6)	3 (4.1)
Mixed race/Other	33 (16.9)	25 (20.5)	8 (11.0)
Prefer not to answer	1 (0.5)	1 (0.8)	0
Parental Education
Primary	2 (1)	2 (1.6)	0
Secondary	22 (11.3)	5 (4.1)	17 (23.3)
Tertiary- Undergraduate	61 (31.3)	39 (32.0)	22 (30.1)
Tertiary- Postgraduate	108 (55.4)	74 (60.7)	34 (46.6)
Prefer not to answer	2 (1)	2 (1.6)	0