Observational Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Oct 7, 2018; 24(37): 4281-4290
Published online Oct 7, 2018. doi: 10.3748/wjg.v24.i37.4281
Table 1 Socio-demographic characteristics of the study sample n (%)
Male
P value1
Female
P value1
Mexico cohort (REF)NHANES Mexico bornNHANES US bornMexico bornUS bornMexico cohort (REF)NHANES Mexico bornNHANES US bornMexico bornUS born
Total sample sizes3010 (58.9)1021 (20.0)1076 (21.1)0.9250.8976475 (68.3)944 (10.9)1233 (14.3)0.9230.845
Age (yr)
20-441680 (55.8)380 (58.6)377 (59.8)3357 (51.8)356 (55.5)460 (56.9)
45-59951 (31.6)239 (25.6)222 (22.7)2031 (31.4)196 (24.3)256 (23.4)
60+379 (12.6)402 (15.9)477 (17.5)1087 (16.8)392 (20.2)517 (19.8)
Marital status0.0740.8040.0880.423
Never married/single458 (15.2)73 (9.8)162 (22.4)1489 (23.0)81 (10.0)169 (19.5)
Married/living together2390 (79.4)843 (83.)746 (65.2)3701 (57.2)580 (67.8)697 (57.3)
Divorced/separated/widowed162 (5.4)105 (6.6)167 (12.4)1285 (19.8)283 (22.2)367 (23.2)
Education
Less than high school706 (23.5)724 (61.7)381 (24.8)0.0000.4632073 (32.0)660 (61.3)436 (24.8)0.0020.705
High school graduate574 (19.1)136 (17.6)246 (26.2)1121 (17.3)108 (14.6)279 (23.6)
More than high school1730 (57.5)160 (20.7)447 (48.9)3281 (50.7)173 (24.1)513 (51.5)
Table 2 Age-adjusted means and prevalence of chronic liver disease risk factors
Male
Female
Mexico cohort (REF)NHANES VII Mexico-bornNHANES VII US-bornMexico cohort (REF)NHANES VII Mexico-bornNHANES VII US-born
Elevated ALT ( > 40 IU/L)1, %26.722.125.28.78.310.2
ALT (IU/L), mean35.935.036.023.023.725.3a
Elevated AST ( > 40 IU/L)2, %11.28.412.25.24.65.2
AST (IU/L), mean27.930.129.522.223.6a25.9b
Hepatitis B or C, %2.60.4b3.01.70.3b0.8a
Metabolic syndrome3, %27.523.533.430.828.627.6
Elevated total cholesterol (mg/dL)4, %39.848.8b39.136.040.5a40.2a
Total cholesterol (mg/dL), mean193.6199.1a192.7189.6193.1a193.6a
Low HDL cholesterol (HDL < 40)5, %62.935.4b27.7b50.114.1b12.0b
HDL cholesterol (mg/dL), mean37.645.1b46.7b40.752.7b55.1b
LDL cholesterol (mg/dL), mean116.5124.1b117.2115.2110.911.5a
Elevated triglycerides6 (mg/dL), %57.535.4b41.0b34.531.923.8b
Triglycerides (mg/dL), mean202.4150.0b173.9a143.5132.0a123.8b
Diabetic7, %6.311.0a16.1b6.914.4b11.0a
Overweight (BMI ≥ 25)8, %48.146.337.3b37.231.1a26.7b
Obesity (BMI ≥ 30)9, %17.130.0b45.0b19.239.2b46.6b
BMI (kg/m2), mean26.728.3b30.1b26.429.0b30.2b
Abdominal obesity10, %15.836.0b49.0b48.368.3b67.9b
Waist circumference (cm), mean91.498.7a103.1b88.594.7b97.2b
Heavy or binge drinker11, %38.075.1b71.3b9.633.8b54.0b
Current smoker12, %36.921.6b21.9b20.88.2b14.2b
Table 3 Effect measures comparing prevalence of risk factors among males by country of residence/birth
Elevated ALT or AST1Hepatitis B or CMetabolic syndrome2High cholesterolDiabetes3Obesity4Abdominal obesity5Heavy/binge drinker6
Odds ratios
HWCS (Mexico)1.01.01.01.01.01.01.01.0
NHANES- Mexico-born0.8 (0.5-1.2)0.2 (0.1-0.6)a0.8 (0.6-1.1)1.4 (1.1-1.8)a1.7 (1.02.8)2.1 (1.7-2.6)a3.3 (1.8-6.2)a3.9 (3.2-4.7)a
NHANES- US-born0.9 (0.6-1.4)1.3 (0.7-2.4)1.4 (1.11.9)a0.9 (0.7-1.2)3.0 (1.9-4.8)a3.9 (3.1-4.9)a5.4 (2.9-10.1)a4.1 (3.4-5.1)a
Predicted probabilities
HWCS (Mexico)25.02.430.240.98.517.416.836.4
NHANES- Mexico-born20.80.525.849.313.030.639.367.1
NHANES- US-born24.03.238.039.620.444.751.168.5
Prevalence ratios (95%CI)
NHANES- Mexico-born vs HWCS0.8 (0.6, 1.1)0.2 (0.0, 0.4)a0.9 (0.7, 1.1)1.2 (1.0, 1.4)a1.5 (0.9, 2.2)a1.8 (1.5, 2.0)a2.3 (1.2, 3.5)a1.8 (1.7, 2.0)a
NHANES- US-born vs HWCS1.0 (0.7, 1.3)1.3 (0.6, 2.0)1.3 (1.0, 1.5)a1.0 (0.8, 1.1)2.4 (1.5, 3.3)a2.6 (2.2, 2.9)a3.0 (1.6, 4.5)a1.9 (1.7, 2.0)a
Prevalence differences (95%CI)
NHANES- Mexico-born vs HWCS-4.2 (-11.5, 3.1)-1.9 (-3.0, -0.9)a-4.3 (-10.4, 1.7)8.5 (2.4, 14.5)a4.5 (0.0, 8.9)a13.2 (9.0, 17.4)a22.6 (13.2, 32.0)a30.7 (26.4, 35.0)a
NHANES- US-born vs HWCS-1.0 (-8.5, 6.5)0.7 (-0.8, 2.3)7.8 (1.4, 14.2)a-1.3 (-6.9, 4.3)11.8 (7.2, 16.5)a27.3 (22.1, 32.4)a34.4 (25.3, 43.5)a32.1 (28.2, 36.0)a
Table 4 Effect measures comparing prevalence of risk factors among females by country of residence/birth
Elevated ALT or AST1Hepatitis B or CMetabolic syndrome2High cholesterolDiabetes3Obesity4Abdominal obesity5Heavy/binge drinker6
Odds ratios
HWCS (Mexico)1.01.01.01.01.01.01.01.0
NHANES- Mexico-born0.8 (0.5, 1.1)0.3 (0.1, 1.8)0.7 (0.5, 1.1)1.2 (1.0, 1.5)2.2 (1.4, 3.4)a2.5 (1.8, 3.5)a2.1 (1.2, 3.6)a5.6 (4.2, 7.3)a
NHANES- US-born1.0 (0.8, 1.3)0.4 (0.2, 1.1)0.8 (0.6, 1.2)1.1 (0.9, 1.4)1.7 (1.2, 2.6)a3.5 (2.5, 4.9)a2.3 (1.4, 3.8)a12.8 (10.0, 16.3)a
Predicted probabilities
HWCS (Mexico)10.22.234.941.28.320.051.18.4
NHANES- Mexico-born8.20.728.845.815.438.467.832.1
NHANES- US-born10.61.031.243.312.946.369.650.3
Prevalence ratios (95%CI)
NHANES- Mexico-born vs HWCS0.8 (0.5, 2.1)0.3 (0.0, 0.9)a0.8 (0.6, 1.0)1.1 (1.0, 1.2)1.9 (1.2, 2.5)a1.9 (1.4, 2.4)a1.3 (1.0, 1.6)a3.8 (3.0, 4.6)a
NHANES- US-born vs HWCS1.0 (0.8, 1.2)0.4 (0.0, 0.8)a0.9 (0.7, 1.1)1.1 (0.9, 1.2)1.6 (1.1, 2.1)a2.3 (1.7, 2.9)a1.4 (1.0, 1.7)a6.0 (4.9, 7.1)a
Prevalence differences (95%CI)
NHANES- Mexico-born vs HWCS-2.1 (-4.7, 0.6)-1.5 (-2.8, -0.2)a-6.1 (-13.0, 0.8)4.6 (-0.7, 9.8)7.1 (1.8, 12.4)a18.4 (12.5, 24.3)a16.8 (4.6, 29.0)a23.7 (19.4, 28.0)a
NHANES- US-born vs HWCS0.3 (-1.7, 2.3)-1.2 (-2.7, 0.0)-3.7 (-10.2, 2.7)2.2 (-2.9, 7.3)4.7 (1.3, 8.0)a26.2 (20.5, 31.9)a18.5 (6.5, 30.6)a41.9 (38.0, 45.9)a