Table 2.

Interrupted time series results of salt intake (grams/day) 2000/01–2014 pre- and post-Responsibility Deal implementation

Men	Coefficient	95% CI		P-value
Intercept	11.07	10.43	11.7	<0.001
Change in salt intake per year (annual time effect)	−0.20	−0.29	−0.12	<0.001
Slope change after the Responsibility Deal (time*intervention interaction)	0.09	0.03	0.17	0.004
Post-Responsibility Deal annual trend	−0.11	−0.15	−0.06	<0.001
Women
Intercept	8.75	8.30	9.19	<0.001
Change in salt intake per year (annual time effect)	−0.12	−0.18	−0.06	<0.001
Slope change after the Responsibility Deal (time*intervention interaction)	0.05	0.01	0.09	0.031
Post-Responsibility Deal annual trend	−0.07	−0.10	−0.04	<0.001
Sensitivity analysis
Men	Coefficient	95% CI		P - value
Intercept	10.98	10.4	11.57	<0.001
Change in salt intake per year (annual time effect)	−0.16	−0.24	−0.09	<0.001
Slope change after the Responsibility Deal (time*intervention interaction)	0.06	0.01	0.12	0.032
Post-Responsibility Deal annual trend	−0.10	−0.15	−0.06	<0.001
Women
Intercept	8.63	8.22	9.04	<0.001
Change in salt intake per year (annual time effect)	−0.11	−0.17	−0.06	<0.001
Slope change after the Responsibility Deal (time*intervention interaction)	0.04	0.00	0.08	0.036
Post-Responsibility Deal annual trend	−0.07	−0.10	−0.04	<0.001

CI, confidence Interval.