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. 2015 Aug 12;10(8):e0135660. doi: 10.1371/journal.pone.0135660

Table 4. Associations of past-year HDO frequency with self-reported alcohol involvement in sex in the past year. a .

Men Women
n Unadjusted Adjusted b n Unadjusted Adjusted b
OR (95% CI) p aOR (95% CI) p OR (95% CI) p aOR (95% CI) p
Usually/always drank alcohol before sex (either partner)
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 2.23 (0.81,6.13) 0.120 2.12 (0.76,5.91) 0.150 4.28 (2.08,8.80) <0.001 3.50 (1.63,7.50) 0.001
Weekly+ HDOs 5.86 (2.45,14.02) <0.001 5.46 (2.26,13.23) <0.001 10.17 (4.75,21.78) <0.001 12.31 (5.16,29.37) <0.001
406 374
Very strongly/somewhat affected when drinking before sex
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 1.51 (0.86,2.65) 0.147 1.47 (0.82,2.63) 0.190 1.95 (1.05,3.64) 0.035 1.92 (1.01,3.66) 0.048
Weekly+ HDOs 2.59 (1.47,4.57) 0.001 2.50 (1.40,4.47) 0.002 5.16 (2.06,12.93) <0.001 5.13 (1.95,13.46) 0.001
292 264
Partner was very strongly/somewhat affected when drinking before sex
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 1.27 (0.70,2.29) 0.432 1.19 (0.64,2.20) 0.584 1.33 (0.72,2.44) 0.359 1.40 (0.74,2.62) 0.300
Weekly+ HDOs 2.00 (1.06,3.77) 0.033 2.05 (1.06,3.98) 0.033 3.15 (1.37,7.24) 0.007 3.05 (1.28,7.27) 0.012
249 271
Used alcohol to make it easier to have sex
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 2.17 (0.69,6.87) 0.187 1.97 (0.60,6.47) 0.265 3.49 (1.57,7.75) 0.002 3.31 (1.43,7.69) 0.005
Weekly+ HDOs 2.05 (0.63,6.68) 0.236 1.97 (0.58,6.72) 0.278 3.77 (1.53,9.30) 0.004 2.83 (1.04,7.67) 0.041
296 268
Consequences attributed to respondent's drinking Sex without contraception (when pregnancy not wanted)
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 1.95 (0.60,6.35) 0.268 1.69 (0.49,5.87) 0.408 2.21 (0.79,6.21) 0.132 1.52 (0.50,4.64) 0.460
Weekly+ HDOs 4.06 (1.39,11.84) 0.010 3.20 (1.01,10.15) 0.048 1.89 (0.55,6.48) 0.308 1.01 (0.26,3.94) 0.987
301 277
Sex without a condom to protect against an STI
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 1.17 (0.41,3.34) 0.774 0.92 (0.30,2.85) 0.885 2.95 (0.91,9.51) 0.071 1.10 (0.28,4.43) 0.888
Weekly+ HDOs 1.58 (0.58,4.26) 0.371 1.23 (0.41,3.71) 0.708 7.50 (2.50,22.50) <0.001 3.26 (0.88,12.12) 0.078
300 275
Sex that respondent later regretted
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 3.35 (0.84,13.32) 0.086 3.37 (0.80,14.25) 0.098 5.83 (1.41,24.05) 0.015 3.12 (0.68,14.30) 0.143
Weekly+ HDOs 6.10 (1.67,22.30) 0.006 5.39 (1.37,21.25) 0.016 11.60 (2.85,47.12) 0.001 5.89 (1.23,28.30) 0.027
309 277
Consequences attributed to partner's drinking Sex without contraception (when pregnancy not wanted)
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 1.42 (0.48,4.24) 0.524 1.21 (0.39,3.78) 0.737 1.78 (0.57,5.53) 0.320 1.36 (0.42,4.42) 0.613
Weekly+ HDOs 1.24 (0.38,4.07) 0.725 0.97 (0.27,3.43) 0.963 3.56 (1.19,10.66) 0.024 2.53 (0.76,8.42) 0.131
256 284
Sex without a condom to protect against an STI
Never/<Monthly HDOs 1.00 1.00 1.00 1.00
Monthly to <Weekly HDOs 0.86 (0.20,3.73) 0.845 0.77 (0.17,3.51) 0.736 1.92 (0.54,6.81) 0.313 1.22 (0.31,4.80) 0.778
Weekly+ HDOs 1.37 (0.36,5.30) 0.647 1.26 (0.29,5.44) 0.760 5.74 (1.88,17.51) 0.002 3.65 (1.04,12.82) 0.043
258 280

Totals differ due to survey skip patterns, and study members who responded 'don't know' to a given question were excluded from that analysis.

aStudy members with no past-year sexual partners and women with past-year pregnancies were excluded.

bAdjusted for relationship status, socioeconomic status, and parenting of biological children under 6 years old.