Table 2.

Alpha diversity measures for individuals according to the consumption of alcohol and/or tobacco

Samples	S.obs	S.chao1	S.ACE	Shannon-Weaver Index	Equitability
C01	426	774	711	5.13	0.59
C02	546	845	873	5.49	0.6
C03	493	819	773	5.65	0.62
C04	403	570	641	4.71	0.54
C05	483	749	765	4.76	0.54
C06	494	740	771	5.33	0.6
C07	424	668	634	4.47	0.52
C08	513	777	788	6.01	0.66
C09	540	862	855	5.17	0.57
S01	340	522	494	4.64	0.56
S02	280	404	414	4.45	0.55
S03	223	342	343	3.63	0.47
S04	345	485	486	5.16	0.61
S05	377	622	634	4.8	0.56
S06	382	630	607	4.88	0.56
SD01	235	346	367	3.62	0.47
SD02	468	729	703	5.34	0.6
SD03	431	651	670	5.29	0.6
SD04	479	700	722	4.87	0.56
SD05	527	847	834	5.26	0.59
SD06	334	497	529	3.94	0.47
SD07	390	580	610	5.02	0.59

The table shows the number of OTUs with regards to species richness (observed, Chao1, ACE), species evenness (equitability) and diversity (Shannon-Weaver Index) for each sample using the sample sequence sampling depth (10,040 sequences).