# Table 4 Time of first drink and drinking outcomes: total number of drinks, duration of drinking session, number of drinks per hour, and BAC

Total number of drinks

Duration of drinking session

Number of drinks per hour

BAC

Time of first drink

Na = 104 (%)

(Drink)

(Hour)

(Drink / hour)

(gm%)

Average

6.9

(6.4–7.5)

2.6

(2.1–3.1)

6.0

(3.8–8.3)

0.119

(0.101–0.137)

08–12

2.2

9.7

(8.2–11.1)

2.2

(-0.4–4.9)

5.4

(-2.5–13.2)

0.263

(0.249–0.278)

12–16

9.6

7.0

(4.5–9.5)

2.1

(-0.1–4.4)

11.4

(1.9–20.9)

0.174

(0.104–0.244)

16–20

25.2

7.1

(6.1–8.1)

3.3

(2.3–4.4)

3.0

(2.2–3.9)

0.144

(0.103–0.185)

20–24

54.1

6.9

(6.1–7.7)

2.6

(2.0–3.3)

4.6

(3.6–5.6)

0.092

(0.075–0.110)

00–04

6.7

6.4

(3.7–9.2)

1.2

(0.5–1.8)

9.6

(0.3–18.8)

0.111

(-0.001–0.224)

04–08

2.2

4.7

(-4.7–14.1)

0.8

(-1.0–2.7)

43.7

(-120.8–208.1)

0.083

(-0.275–0.442)

F = 0.73P = 0.604

F = 1.33P=0.257

F = 7.86P < 0.001***

F = 3.9P = 0.003**

1. * p < 0.05, ** p < 0.01, *** p < 0.001
2. a Weighted samples