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. 2021 Jul 12;117(2):331–340. doi: 10.1111/add.15622

Table 2.

Differences in the number of reported drinking days on different dates in the survey period, compared to March 11, 2020, overall and stratified by sociodemographic characteristics, among US adults in the UAS Panel, 2020 (n = 4298)

Population Mean number of drinking days in the past week on March 11 Difference in number of drinking days a , β (95% CI) P value for interaction b
04/01 05/01 06/01 07/01
Overall 1.82 0.36 (0.30,0.43) 0.55 (0.47,0.63) 0.41 (0.33,0.49) 0.39 (0.31,0.48) N/A
Sex
Male 2.16 0.36 (0.27,0.45) 0.59 (0.48,0.71) 0.52 (0.41,0.63) 0.51 (0.39,0.63) 0.005
Female 1.48 0.37 (0.29,0.45) 0.50 (0.39,0.62) 0.29 (0.18,0.40) 0.27 (0.16,0.39)
Age (in years)
18–29 0.86 0.41 (0.20,0.61) 0.44 (0.19,0.69) 0.10 (−0.17,0.37) 0.18 (−0.11,0.48) < 0.001
30–49 1.72 0.42 (0.31,0.52) 0.62 (0.47,0.76) 0.41 (0.28,0.54) 0.35 (0.21,0.49)
50–64 1.83 0.37 (0.26,0.48) 0.56 (0.42,0.70) 0.43 (0.30,0.56) 0.44 (0.29,0.58)
65+ 2.57 0.22 (0.12,0.31) 0.44 (0.29,0.59) 0.53 (0.37,0.69) 0.54 (0.37,0.70)
Race
White 1.99 0.41 (0.35,0.48) 0.61 (0.52,0.70) 0.48 (0.39,0.57) 0.51 (0.42,0.61) < 0.001
Black 1.83 0.28 (0.05,0.51) 0.44 (0.15,0.73) 0.24 (−0.02,0.50) 0.06 (−0.24,0.37)
Hispanic/Latino 1.40 0.38 (0.20,0.57) 0.56 (0.29,0.82) 0.26 (−0.01,0.53) 0.22 (−0.06,0.49)
Other 1.22 0.03 (−0.22,0.28) 0.16 (−0.15,0.47) 0.25 (−0.04,0.53) 0.16 (−0.13,0.46)
Household structure
With partner only 2.31 0.30 (0.21,0.40) 0.56 (0.43,0.70) 0.56 (0.43,0.68) 0.51 (0.38,0.65) < 0.001
Alone 1.84 0.35 (0.20,0.51) 0.53 (0.34,0.72) 0.46 (0.28,0.63) 0.42 (0.23,0.62)
With partner and kids 1.55 0.52 (0.40,0.63) 0.73 (0.56,0.89) 0.45 (0.30,0.60) 0.48 (0.33,0.64)
With kids only 2.02 0.17 (−0.12,0.46) 0.20 (−0.28,0.69) 0.07 (−0.43,0.56) −0.07 (−0.58,0.44)
Other 1.38 0.32 (0.17,0.46) 0.40 (0.21,0.59) 0.17 (−0.02,0.37) 0.20 (−0.01,0.40)
Federal poverty line
Above 1.82 0.38 (0.32,0.44) 0.58 (0.49,0.67) 0.46 (0.38,0.54) 0.47 (0.38,0.55) 0.003
Below 1.86 0.25 (0.03,0.47) 0.32 (0.06,0.59) 0.03 (−0.25,0.32) −0.13 (−0.42,0.17)
Census region
South 1.80 0.40 (0.29,0.51) 0.55 (0.41,0.69) 0.35 (0.21,0.49) 0.32 (0.16,0.48) 0.004
Midwest 1.70 0.26 (0.15,0.38) 0.47 (0.31,0.63) 0.39 (0.24,0.53) 0.43 (0.28,0.58)
Northeast 2.00 0.30 (0.15,0.46) 0.47 (0.24,0.70) 0.43 (0.21,0.65) 0.42 (0.21,0.64)
West 1.83 0.46 (0.35,0.56) 0.68 (0.54,0.82) 0.48 (0.34,0.62) 0.45 (0.29,0.61)
a

Reference is the number of drinking days on March 11, 2020.

b

Interaction terms are between the splines for days since March 10, 2020 and each sociodemographic characteristic. Bold font indicates statistical significance.