Table 2.

Effect of randomised interventions at one month follow up estimated by analysis of covariance^*

	Booklet (n=152)			Low sodium salt (n=138)			Prompts (n=145)
Outcome	Mean (95% CI)		P value	Mean (95% CI)		P value	Mean (95% CI)		P value
Blood pressure (mm Hg)*:
Systolic (n=268)	0.31	(−2.5 to 3.1)	0.83	1.3	(−1.5 to 4.1)	0.37	2.4	(−0.5 to 5.2)	0.10
Diastolic (n=268)	0.2	(−1.6 to 2.0)	0.83	0.13	(−1.7 to 2.0)	0.89	0.52	(−1.3 to 2.4)	0.58
Carotenoid concentration (mmol/l) (n=235)	55	(−41 to 151)	0.26	−64	(−160 to 33)	0.19	10	(−86 to 107)	0.83
Na:K ratio (n=260)	0.13	(−0.11 to 0.37)	0.28	−0.32	(−0.56 to −0.08)	0.01	0.07	(−0.17 to 0.31)	0.57*
Weight (kg) (n=264)	0.39	(−0.07 to 0.84)	0.10	−0.10	(0.56 to 0.35)	0.65	−0.39	(−0.85 to 0.05)	0.085
Cholesterol:HDL ratio (n=246)	0.10	(−0.07 to 0.27)	0.23	0.04	(−0.13 to 0.22)	0.61	−0.03	(−0.2 to 0.14)	0.70
Low density lipoprotein (mmol/l) (n=204)	0	(−0.14 to 0.14)	0.99	0.05	(−0.09 to 0.19)	0.50	−0.07	(−0.21 to 0.07)	0.34
Food frequency questionnaire:
Total fat (g/day) (n=219)	−1.1	(−10.5 to8.3	0.82	−12.8	(−3.4 to −22)	0.008	−7.1	(−16.5 to 2.4)	0.14
% energy from fat (n=202)	−0.7	(−2.4 to 1.1)	0.47	−0.3	(−2.1 to 1.5)	0.73	−1.0	(−2.8 to 0.80)	0.28
Non-starch polysaccharides (g/day) (n=202)	1.3	(−0.6 to 3.3)	0.19	−1.9	(−3.9 to 0.1)	0.06	−1.2	(−3.1 to 0.8)	0.24
Fruit and vegetables (g/day) (n=219)	18.7	(−37 to 74)	0.51	−61	(−5 to −116)	0.03	106	(51 to 161)	0.001
Anxiety (HAD anxiety scale) (n=219)	−0.06	(−0.40 to 0.28)	0.71	0.45	(0.11 to 0.80)	0.009	−0.24	(−0.59 to 0.11)	0.17

HLD=high density lipoprotein.

Numbers for outcomes vary due to missing values.

^*Estimates for each intervention control for the effects of the other interventions and for baseline values.