An overview of the most relevant preventive measures implemented in the Netherlands during the observation period is shown in Fig. 1 (for a more exhaustive timeline see Table A1 in the appendix). The main effects of the lockdown period on alcohol consumption are shown in Table 2 (Model 0). Based on this model, predicted drinking levels during the whole lockdown period were estimated, as shown in Fig. 2.Table 2Effects of the lockdown period on alcohol consumption. Main effects (Model 0) and interaction terms (Models 1 & 2). OLS fixed-effects modelsa.Table 2Model 0 (n = 451,064)Model 1 (n = 451,052)Model 2 (n = 450,029)βCI 95%βCI 95%βCI 95%Living arrangement (shared household)Lives alone-0.03(−0.13 to 0.06)-0.04(−0.13 to 0.06)Lockdown Period (April 2020)May-0.23 * *(−0.26 to −0.19)-0.23 * *(−0.27 to −0.19)-0.24 * *(−0.32 to −0.17)June-0.15 * *(−0.18 to −0.11)-0.15 * *(−0.19 to −0.12)-0.08 *(−0.16 to −0.01)July/August0.20 * *(0.16–0.24)0.21 * *(0.17–0.26)0.29 * *(0.21–0.37)September/October0.01(−0.03 to 0.05)-0.01(−0.06 to 0.03)0.04(−0.05 to 0.12)November-0.17 * *(−0.21 to −0.13)-0.18 * *(−0.23 to −0.14)-0.09 *(−0.18 to −0.01)December-0.20 * *(−0.24 to −0.15)-0.21 * *(−0.26 to −0.17)-0.17 * *(−0.26 to −0.08)January 2021-0.31 * *(−0.35 to −0.27)-0.35
