Improving diet, physical activity and other lifestyle behaviours using computer-tailored advice in general practice: a randomised controlled trial

Table 2 Net percentage change, odds of change and number needed to treat (NNT) for participants achieving guidelines recommendations (n = 1683)

Health Behaviour	Group	Net change%	Odds Ratio for change	95% CI	NNT#
Fish	Intervention	+7.06	1.37*	1.11-1.64	15
	Control	+0.84
Spread	Intervention	+5.06	1.28*	1.06-1.51	21
	Control	+0.37
Salt	Intervention	+5.43	1.19*	1.05-1.38	24
	Control	+1.23
Veg and fruit	Intervention	+3.14	1.24	0.91-1.68	37
	Control	+0.49
Meat	Intervention	+7.17	1.16	0.93-1.44	38
	Control	+4.48
Milk	Intervention	+4.62	1.11	0.96-1.29	45
	Control	+1.80
Alcohol	Intervention	+3.88	1.16	0.96-1.37	45
	Control	+1.12
Physical activity	Intervention	+0.48	1.06	0.86-1.30	58
	Control	−1.34
Body weight	Intervention	−0.12	0.96	0.85-1.09	161
	Control	−0.82
Smoking	Intervention	+0.24	0.97	0.86-1.12	1000
	Control	+0.36

ISSN: 1479-5868