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Table 1 Descriptive statistics of the adult immigrants in NIS 2003

From: Association between environmental factors and BMI: evidence from recent immigrants from developing countries

Variables Entire sample, N = 2102 Male, N = 1189 Female, N = 913 Difference between male and female
Demographic variables
 Age (years) 36.11 (10.31) 35.95 (10.35) 36.33 (10.26) − 0.83
 No. of children 1.51 (1.67) 1.37 (1.61) 1.69 (1.72) − 4.31***
 Income (= income/$10,000) 3.49 (4.54) 4.04 (5.29) 2.77 (3.18) 6.45***
 Duration of residence in the USA (year) 8.21 (6.90) 8.16 (6.79) 8.27 (7.06) − 0.36
 Female 56.57% 43.43%
 College degree (= 1) 34.1% 38.77% 28.1% 5.11***
 Married (= 1) 67.98% 71.57% 63.3% 4.03***
 Employed (= 1) 80.20% 88.22% 69.76% 10.81***
 Citizenship sponsored through employer (= 1) 24.73% 29.18% 18.94% 5.42***
 From Asia (= 1) 32.58% 34.39% 30.23% 2.02**
 From Africa (= 1) 13% 16.73% 8.21% 5.79***
 From Latin America and the Caribbean (= 1) 54.37% 48.87% 61.56% − 5.83***
Health variables
 BMI (kg/m2) (12 < BMI < 65.5) 25.53 (5.03) 25.77 (4.39) 25.21 (5.76) 2.57***
Health behaviors
 Currently smoking cigarettes (= 1) 23.26% 30.86% 13.36% 9.61***
 Currently consuming alcohol (= 1) 41.67% 51.47% 28.91% 10.67***
 Change in diet (=1) 52.52% 53.40% 51.36% 0.93
Acculturation variables
 Speaks English well/very well (= 1) 55.18% 61.98% 46.3% 7.24***
 Speaks English with spouse (= 1) 26.26% 27.83% 24.21% 1.87*
 Speaks English at work (= 1) 71.12% 78.38% 61.66% 5.52***
 Speaks English with friends (= 1) 51.56% 57.69% 43.59% 6.47***
 Education in the USA (years) 1.27 (2.77) 1.34 (2.8) 1.16 (2.73) 1.48
  1. Standard deviation values are in parentheses when reporting averages. For continuous variables, we report mean and corresponding standard deviations in parentheses. For binary variables, we report percentages. *P < 0.1, **P < 0.05, ***P < 0.01. Statistics for BMI categories are reported in Table 6 in Additional file 1