PRISM (Program of Resources, Information and Support for Mothers): a community-randomised trial to reduce depression and improve women's physical health six months after birth [ISRCTN03464021]

Table 1 Characteristics of the clusters in intervention and comparison communities

		Intervention	Comparison
Area km²	< 50	1	2
	50–99	1	0
	100–999	2	2
	1000–4999	2	3
	≥ 5000	2	1
Accessibility & remoteness	Highly accessible	6	7
	Accessible	2	0
	Accessible/mod. accessible	0	1
	Remote	0	0
Proportion of households with a weekly income ≥ $1000 [AUD]	<15%	1	2
	15–19%	4	2
	20–24%	0	1
	25–29%	2	1
	≥ 30%	1	2
Proportion of households where no person has a post-secondary qualification	<45%	0	1
	45–49%	1	0
	50–54%	0	0
	55–59%	2	1
	60–64%	3	3
	≥ 65%0	2	3
Number of births in study period	>1000	2	1
	750–999	2	2
	500–749	2	2
	<500	2	3
Adjusted response fraction, health outcomes questionnaire	>65%	1	2
	60–64%	4	2
	55–59%	2	4
	<55%	1	0

ISSN: 1471-2458