Socioeconomic Inequalities in Alcohol and Tobacco Consumption: A National Ecological Study in Mexican Adolescents

Table 3

Correlation of tobacco and alcohol consumption with the socioeconomic variables that make up the marginalization index, in addition to the Gini index, the percentage of poverty and extreme poverty.

		Elementary students		Middle-school students
		Alcohol	Tobacco	Alcohol	Tobacco
V1	Spearman r =	0.1954	0.2534	−0.0939	0.2690
	value =	0.2838	0.1616	0.6094	0.1366
V2	Spearman r =	0.1873	0.1585	−0.1136	0.1639
	value =	0.3048	0.3863	0.5357	0.3701
V3	Spearman r =	0.2456	0.3853	−0.0645	0.2983
	value =	0.1755	0.0294	0.7257	0.0973
V4	Spearman r =	0.1254	0.1921	−0.0770	0.1667
	value =	0.4939	0.2922	0.6754	0.3620
V5	Spearman r =	0.1663	0.1803	−0.0026	0.3408
	value =	0.3629	0.3233	0.9889	0.0563
V6	Spearman r =	0.0209	0.1796	−0.3383	0.1041
	value =	0.9096	0.3253	0.0582	0.5706
V7	Spearman r =	0.0858	−0.0373	−0.0191	0.1458
	value =	0.6404	0.8395	0.9175	0.4261
V8	Spearman r =	0.1293	0.1930	−0.0396	0.3313
	value =	0.4806	0.2899	0.8297	0.0640
V9	Spearman r =	0.2126	0.3221	0.0297	0.3960
	value =	0.2428	0.0722	0.8718	0.0249
V10	Spearman r =	0.2188	0.2938	−0.0678	0.3186
	value =	0.2289	0.1026	0.7123	0.0755
V11	Spearman r =	0.2208	0.2405	0.0977	0.4754
	value =	0.2245	0.1849	0.5948	0.0060
V12	Spearman r =	0.2025	0.2849	0.0643	0.4531
	value =	0.2663	0.1140	0.7264	0.0092
V13	Spearman r =	0.2933	0.3267	0.0292	0.4612
	value =	0.1032	0.0680	0.8742	0.0079
V14	Spearman r =	0.2220	0.3298	−0.0086	0.4291
	value =	0.2219	0.0653	0.9627	0.0143
V15	Spearman r =	0.0147	−0.0185	−0.0858	0.1910
	value =	0.9365	0.9197	0.6407	0.2949

V1 = percentage of population aged 15 years or older illiterate, V2 = percentage of population aged 15 years or older without completed elementary education, V3 = percentage of occupants in inhabited private dwellings without sewage drainage or sanitation, V4 = percentage of occupants in inhabited private dwellings without electricity, V5 = percentage of occupants in inhabited private dwellings without piped water, V6 = percentage of occupants in inhabited private dwellings with some level of overcrowding, V7 = percentage of occupants in inhabited private dwellings with dirt floor, V8 = percentage of population in localities with less than five thousand inhabitants, V9 = percentage of employed population with an income of up to two minimum wages, V10 = state marginalization index, V11 = poverty by income 2008, V12 = poverty by income 2010, V13 = extreme poverty by income 2008, V14 = extreme poverty by income 2010, and V15 = Gini index. Bold values represents p < 0.05.