Table 2

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

MenCoefficient95% CIP-value
Intercept11.0710.4311.7<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)0.090.030.170.004
Post-Responsibility Deal annual trend−0.11−0.15−0.06<0.001
Women
Intercept8.758.309.19<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)0.050.010.090.031
Post-Responsibility Deal annual trend−0.07−0.10−0.04<0.001
Sensitivity analysis
Men Coefficient 95% CI P - value
Intercept10.9810.411.57<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)0.060.010.120.032
Post-Responsibility Deal annual trend−0.10−0.15−0.06<0.001
Women
Intercept8.638.229.04<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)0.040.000.080.036
Post-Responsibility Deal annual trend−0.07−0.10−0.04<0.001
  • CI, confidence Interval.