Is healthy behavior contagious: associations of social norms with physical activity and healthy eating

Table 2 Associations between physical activity measures and social norms, with and without control for social support

Predictors of leisure-time moderate/vigorous physical activity	Step 1^a		Step 2^b
	OR	95% CI	OR	95% CI
Social norms for exercising
Neutral/disagree/strongly disagree	1		1
Agree	1.30**	1.11, 1.51	1.22*	1.04, 1.43
Strongly agree	1.68***	1.38, 2.06	1.49***	1.20, 1.83
Social norms for exercise/sport
Neutral/disagree/strongly disagree	1		1
Agree/strongly agree	1.94***	1.69, 2.22	1.69***	1.47, 1.94
Social norms for doing little physical activity
Neutral/disagree/strongly disagree	1		1
Agree/strongly agree	0.90^	0.79, 1.01	0.93	0.83, 1.06
Predictors of total volitional walking	Step 1 ^a		Step 2 ^b
	OR	95% CI	OR	95% CI
Social norms for walking
Neutral/disagree/strongly disagree	1		1
Agree	1.41***	1.18, 1.69	1.36**	1.14, 1.63
Strongly agree	1.78***	1.44, 2.20	1.68***	1.35, 2.10
Social norms for walking/cycling
Neutral/disagree/strongly disagree	1		1
Agree/strongly agree	1.59 (***)	1.41, 1.80	1.50***	1.33, 1.69
Predictors of transport cycling	Step 1 ^a		Step 2 ^b
	OR	95% CI	OR	95% CI
Social norms for walking/cycling
Neutral/disagree/strongly disagree	1		1
Agree/strongly agree	1.28^	0.99, 1.65	1.17	0.90, 1.52

* p < .05, ** p < .005, *** p < .0005
^ p < .10 (trend level association)
^a outcome regressed on social norm variables individually, controlling for respondent education, marital status, number of children, and whether they were trying to maintain/lose/gain weight
^b outcome regressed on social norm variables individually, controlling for family support for physical activity and friend/colleague support for physical activity, plus all previous covariates (respondent education, marital status, number of children, and whether they were trying to maintain/lose/gain weight)

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