Table 3

Weighted frequency of alcohol intake of the participants of the ‘Bus Santé’ study, Geneva, Switzerland, according to study period,* stratified by type of alcoholic beverage

	Period 1		Period 2		Period 3		Period 4		Period 5		Period 6		p Value
Beer	N	Per cent	N	Per cent	N	Per cent	N	Per cent	N	Per cent	N	Per cent	p Value
Never	3574	53.3	853	54.0	2296	53.0	511	53.2	1021	50.6	2026	47.3	<0.001
1×/month	482	7.6	117	7.1	314	7.4	61	7.4	155	7.9	363	9.3
2–3×/month	738	12.3	190	13.0	518	13.5	122	13.3	280	15.6	623	15.4
1–2×/week	752	12.8	185	112.51.9	481	13.1	107	13.0	249	13.7	569	15.3
3–4×/week	443	7.1	107	7.2	243	6.6	57	6.7	108	6.0	272	7.1
1×/day	267	4.4	61	3.7	163	4.5	39	4.1	79	4.2	141	3.4
2× or more/day	147	2.4	37	2.5	79	1.9	23	2.3	36	1.9	74	2.1
Wine, champagne
Never	1071	17.0	245	16.8	801	19.7	188	21.5	385	20.9	837	21.1	<0.001
1×/month	362	6.0	82	5.8	227	5.9	44	5.6	112	6.4	327	8.6
2–3×/month	829	14.5	213	14.3	561	15.4	132	14.8	273	15.4	680	17.8
1–2×/week	1280	20.4	331	22.4	792	20.2	198	22.6	429	22.6	888	22.5
3–4×/week	933	14.7	220	14.0	542	13.0	129	14.0	300	15.2	561	13.4
1×/day	1350	19.4	343	19.4	833	18.6	168	16.1	317	14.6	606	13.2
2× or more/day	578	7.9	116	7.2	338	7.2	61	5.4	112	5.0	169	3.4
Aperitifs
Never	4426	68.5	1076	69.7	2988	71.2	683	73.6	1447	73.9	3157	77.4	<0.001
1×/month	614	9.9	154	10.2	325	8.4	81	8.8	181	10.0	351	8.6
2–3×/month	737	12.4	190	12.8	423	11.4	85	9.9	175	9.6	349	9.2
1–2×/week	461	6.8	100	5.7	237	6.1	46	5.1	83	4.6	165	3.7
3–4×/week	101	1.4	17	0.9	85	2.1	16	1.6	23	1.2	26	0.7
1×/day	58	0.9	13	0.7	36	0.8	8	0.9	17	0.6	19	0.3
2× or more/day	6	0.1	0	0	0	0	1	0.1	2	0.1	1	0.0
Spirits
Never	4276	66.4	1094	69.4	2771	66.7	647	69.4	1398	71.6	2860	67.2	0.004
1×/month	729	11.9	152	11.0	442	10.9	112	11.8	217	11.8	496	13.6
2–3×/month	740	11.9	160	10.6	474	12.4	86	10.8	186	9.8	419	11.5
1–2×/week	454	6.7	102	6.4	275	7.1	50	5.1	92	4.8	207	5.7
3–4×/week	128	2.0	24	1.4	81	1.9	16	1.8	22	1.1	56	1.4
1×/day	73	1.0	17	1.0	49	1.1	8	0.8	12	0.6	28	0.5
2× or more/day	3	0.01	1	0.04	2	0.05	1	0.1	1	0.01	2	0.01

*Figure 1 provides details on the dates of each period. Results are expressed as number and weighted percentage.