Table 3 Age-specific effects of the alcohol control policies implemented in 2009 and 2017, and the effect on monthly all-cause mortality rate (per 100,000 people) for the 12-month period following policy implementation.

From: Alcohol control policies add to secular trends in all-cause mortality rates in young adults

Age groups

Policy 2009

Policy 2017

Model 1: joinpoint analysis

Model 2: model 1 + policy effect

Relative change model 1 versus model 2, % difference (95% CI)

t-value and p value of 2009 policy in model 2

Model 1: joinpoint analysis

Model 2: model 1 + policy effect

Relative change model 1 versus model 2, % difference (95% CI)

t-value and p value of 2017 policy in model 2

20–29

12.23

11.35

− 7.70% (− 8.24 to − 6.14)

t(212) = − 3.05, p = .0026

7.28

7.27

0.16% (0.12–0.16)

t(212) = − 1.193, p = .23

30–39

23.21

23.12

− 0.37% (− 0.40 to − 0.29)

t(212) = − 0.669, p = .50

17.78

16.69

− 6.49% (− 7.45 to − 5.870)

t(212) = − 2.554, p = .011

40–49

46.25

46.38

0.28% (0.22–0.30)

t(212) = 0.062, p = .95

35.26

34.61

− 1.91% (− 3.16 to − 2.28)

t(212) = − 0.85, p = .40

50–59

96.83

96.48

− 0.36% (− 0.42 to − 0.33)

t(212) = − 0.42, p = .68

71.59

69.35

− 3.24% (− 3.92 to − 1.90)

t(212) = − 1.39, p = .16

60–69

186.45

185.18

− 0.68% (− 0.84 to − 0.65)

t(212) = − 0.76, p = .45

150.61

148.42

− 1.48% (− 1.52 to − 1.12)

t(212) = − 1.26, p = .21

70–79

343.52

332.65

− 3.26% (− 3.67 to − 2.77)

t(212) = − 3.67, p = .00030

307.43

309.15

0.56% (0.48–0.64)

t(212) = − 0.83, p = .40

80 + 

1025.96

1022.85

− 0.30% (− 0.33 to − 0.25)

t(212) = − 0.27, p = .78

933.96

914.09

− 2.17% (− 2.26 to − 2.66)

t(212) = − 0.78, p = .43