Table 3.
Estimated drinking days, drinks and correction factor for male and female drinkers in Canada (2008–2010) by comparing reported numbers of yesterday drinkers with frequencies expected from past year QF drinking frequency responses
| Drinking categories by gender | Sample | N | Drinking Days in Past Year (F) | Mean 10g Drinks per Drinking Day in Past Year (Q) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| Assumed From QF | Estimated (±95% CI) | t-statistic | F ratio | Typical day/QF | Typical Yesterday | t-statistic | Q Ratio | |||
| (A) | (B) | (C) | (D) | (E) | (F) | (G) | (H) | (I) | (J) | |
| Male | ||||||||||
| Never | 3,922 | |||||||||
| Less than once a month | 2,342 | 131 | 6 | 20.07 (±0.26) | 106.05 *** | 3.34 | 3.18 (±0.38) | 2.97 (±0.98) | −0.39 ns | 0.93 |
| Once a month | 1,748 | 200 | 12 | 42.32 (±0.79) | 75.41 *** | 3.53 | 2.95 (±0.27) | 2.96 (±1.24) | −0.57 ns | 0.88 |
| 2 to 3 times a month | 2,418 | 549 | 30 | 82.66 (±0.80) | 128.83 *** | 2.76 | 3.73 (±0.31) | 3.67 (±1.13) | −0.07 ns | 0.99 |
| Once a week | 2,468 | 779 | 52 | 114.68 (±0.59) | 208.92 *** | 2.21 | 3.85 (±0.30) | 3.43 (±0.48) | −1.28 ns | 0.89 |
| 2 to 3 times a week | 2,873 | 1,427 | 130 | 181.34 (±0.17) | 592.83 *** | 1.39 | 3.98 (±0.20) | 4.10 (±0.43) | 0.43 ns | 1.03 |
| 4 to 6 times a week | 920 | 685 | 260 | 271.12 (±1.88) | 11.58 *** | 1.04 | 4.22 (±0.36) | 4.45 (±0.52) | 0.69 ns | 1.05 |
| Every day | 1,086 | 951 | 365 | 319.17 (±0.85) | −105.27 *** | 0.87 | 4.16 (±0.42) | 5.00 (±0.79) | 2.01 * | 1.20 |
| Total drinkers | 13,855 | 4,722 | 90 | 128.44 (±0.28) | 73.21 *** | 1.43 | 3.75 (±0.12) | 3.79 (±0.13) | 0.55 ns | 1.02 |
| Total | 17,777 | |||||||||
| Female | ||||||||||
| Never | 7,513 | |||||||||
| Less than once a month | 5,571 | 255 | 6 | 16.88 (±0.13) | 160.69 *** | 2.81 | 2.33 (±0.12) | 2.73 (±1.41) | 0.55 ns | 1.17 |
| Once a month | 2,743 | 246 | 12 | 32.47 (±0.35) | 113.85 *** | 2.71 | 2.85 (±0.26) | 2.21 (±0.39) | −2.99 ** | 0.77 |
| 2 to 3 times a month | 3,250 | 647 | 30 | 71.57 (±0.62) | 132.29 *** | 2.39 | 2.90 (±0.12) | 2.31 (±0.36) | −3.01** | 0.80 |
| Once a week | 2,686 | 792 | 52 | 109.04 (±0.63) | 178.98 *** | 2.10 | 2.81 (±0.15) | 2.31 (±0.35) | −2.35 * | 0.82 |
| 2 to 3 times a week | 2,384 | 1,109 | 130 | 168.58 (±0.81) | 93.36 *** | 1.30 | 3.42 (±0.55) | 2.99 (±0.34) | −1.20 ns | 0.87 |
| 4 to 6 times a week | 636 | 451 | 260 | 258.07 (±1.42) | −2.68 ** | 0.99 | 2.68 (±0.26) | 2.85 (±0.50) | 0.78 ns | 1.07 |
| Every day | 682 | 572 | 365 | 304.37 (±3.06) | −38.91 *** | 0.83 | 5.22 (±1.95) | 5.59 (±2.97) | 0.49 ns | 1.07 |
| Total drinkers | 17,952 | 4,072 | 57 | 121.58 (±0.16) | 70.30 *** | 1.53 | 2.92 (±0.15) | 2.61 (±0.30) | −1.90 ns | 0.89 |
| Total | 25,465 | |||||||||
Note: (A): Unweighted sample. (B): Unweighted yesterday drinkers. (C): Assumed drinking days using mid-points for each frequency category. (D): Estimated drinking days adjusted for design effects and age. (E): t-statistic for difference between (D) and (C). (F): Ratio of (D) and (C). (G): Mean drinks in a typical day per QF drinker adjusted for design effects and age. (H): Mean drinks yesterday for yesterday drinkers adjusted for design effects and age. (I): t-statistic for difference between (H) and (G). (J): Ratio of (H) and (G). t-test: ns=not significant
P<0.05
P<0.01
P<0.001 (significant results in boldface).