Table 3.

One-way ANOVA comparing the mean World Health Organization (WHO) crude suicide rates for only one, any two and all three categories of family-based recommendations

Number of categories of family-based recommendations (number of guidelines)	WHO crude suicide rate per 100 000, mean (s.d.)	95% CI of mean	F (between-group d.f., within-group d.f.)	P
Only one category (16)	11.09 (5.71)	8.04–14.13
Any two categories (25)	13.42 (7.76)	10.48–16.38
All three categories (5)	10.68 (5.20)	4.22–17.14
			0.751 (2, 47)	0.478

d.f., degrees of freedom.