Table 2.
Univariate Analysis of Factors Associated with Constipation among US Women and Men from NHANES, 2005-2006 and 2007-2008
| Men, n=4586 | Women, n=4787 | |||||
|---|---|---|---|---|---|---|
| Variable | No. of Mena | % (95% CI)b | P valuec | No. of Womena | % (95% CI)b | P valuec |
| Overall constipation prevalence | 221 | 4.0 (3.2, 5.0) | 518 | 10.2 (9.6, 10.9) | ||
| Age (years) | 4586 | 0.001 | 4787 | 0.02 | ||
| 20-29 | 48 | 5.9 (4.0, 8.7) | 135 | 13.6 (11.0, 16.6) | ||
| 30-39 | 32 | 2.7 (1.8, 4.1) | 77 | 7.7 (6.0, 10.0.) | ||
| 40-49 | 41 | 4.3 (2.7, 6.6) | 83 | 9.4 (7.5, 11.8) | ||
| 50-59 | 31 | 4.0 (2.8, 5.8) | 64 | 9.5 (7.3, 12.2) | ||
| 60-69 | 19 | 1.4 (0.7, 2.9) | 79 | 11.6 (9.4, 14.1) | ||
| 70-79 | 24 | 3.5 (2.1, 5.8) | 46 | 9.0 (7.0, 11.7) | ||
| 80+ | 26 | 8.4 (5.5, 12.8) | 34 | 12.5 (9.0, 17.0) | ||
| Race/ethnicity | 4586 | 0.009 | 4787 | 0.42 | ||
| Hispanic-Mexican American | 50 | 6.3 (4.9, 8.0) | 89 | 9.4 (7.4, 12.1) | ||
| Hispanic – Other | 21 | 5.4 (3.0, 9.7) | 43 | 10.3 (7.3, 14.3) | ||
| Non-Hispanic white | 88 | 3.3 (2.3, 4.7) | 243 | 9.9 (9.1, 10.9) | ||
| Non-Hispanic black | 55 | 6.2 (4.7, 8.1) | 126 | 12.6 (10.4, 15.2) | ||
| Other – Including multi-racial | 7 | 4.7 (2.1, 8.1) | 17 | 9.9 (5.4,17.5) | ||
| Education | 4584 | 0.004 | 4785 | <0.001 | ||
| <High school | 94 | 5.4 (4.0, 7.4) | 152 | 12.2 (10.4, 14.2) | ||
| High school or GED | 59 | 5.4 (3.7, 7.7) | 151 | 12.1 (10.4, 13.9) | ||
| >High school | 68 | 2.8 (2.0, 4.0) | 214 | 8.8 (7.9, 9.7) | ||
| Family poverty income ratio | 4586 | <0.001 | 4787 | 0.09 | ||
| < 2 | 121 | 5.9 (4.6, 7.4) | 11.4 (10.1, 13.0) | |||
| ≥ 2 | 100 | 3.2 (2.4, 4.3) | 10.3 (9.3, 11.5) | |||
| Body mass index | 4556 | 0.14 | 4756 | 0.05 | ||
| < 25.0 | 68 | 5.2 (3.7, 7.5) | 188 | 11.4 (9.6, 13.4) | ||
| 25.0 – 29.9 | 85 | 3.7 (2.7, 4.9) | 161 | 11.1 (9.3, 13.4) | ||
| > 30.0 | 67 | 3.5 (2.4, 4.9) | 166 | 8.3 (6.9, 9.9) | ||
| Self-rated health | 4586 | 0.02 | 4787 | 0.03 | ||
| Excellent/very good/good | 151 | 3.7 (2.8, 4.9) | 377 | 9.7 (9.1, 10.4) | ||
| Fair/poor | 70 | 5.9 (4.4, 7.7) | 141 | 12.7 (10.3, 15.5) | ||
| Chronic diseases | 4502 | 0.30 | 4723 | 0.49 | ||
| None | 116 | 4.6 (3.6, 5.9) | 223 | 10.3 (8.8, 11.9) | ||
| 1 | 41 | 3.1 (1.8, 5.1) | 124 | 9.4 (7.5,11.7) | ||
| 2 | 32 | 3.6 (2.2, 5.7) | 88 | 11.5 (9.1, 14.5) | ||
| 3 | 13 | 3.6 (1.4,6.5) | 54 | 11.1 (9.1, 14.5) | ||
| 4 or more | 11 | 5.5 (2.5,11.8) | 22 | 7.4 (4.3, 12.6) | ||
| Vigorous physical activity | 4585 | 0.12 | 4787 | 0.53 | ||
| No | 143 | 4.6 (3.5, 5.9) | 220 | 10.5 (9.6, 11.5) | ||
| Yes | 78 | 3.4 (2.4, 4.7) | 117 | 9.6 (7.8, 11.9) | ||
| Dietary fiber intake | 3918 | 0.008 | 4257 | 0.08 | ||
| Lowest quartile (<10.1 gm/day) | 49 | 6.2 (4.0,9.5) | 149 | 12.0 (10.5,13.7) | ||
| Middle lower quartile (≥10.1 to 14.5 gm/day) | 34 | 3.3 (2.2,4.9) | 134 | 10.8 (9.2,12.5) | ||
| Middle upper quartile (≥14.5 to 20.1 gm/day) | 47 | 3.7 (2.2,6.1) | 108 | 9.6 (7.8 12.0) | ||
| Highest quartile (>20.1 gm/day) | 42 | 2.6 (2.0,3.6) | 76 | 8.1 (6.2, 10.5) | ||
| Total dietary liquid intake | 3918 | <0.001 | 4257 | 0.008 | ||
| Lowest quartile (<1881.9 mg/day) | 54 | 8.6 (5.5, 13.1) | 172 | 13.3 (11.7,15.2) | ||
| Middle lower quartile (≥1881.9 to 2498.5 mg/day) | 40 | 3.5 (2.5,4.8) | 123 | 11.6 (9.7, 13.9) | ||
| Middle upper quartile (≥2498.5 to 3319.0 mg/day) | 45 | 3.6 (2.3, 5.5) | 95 | 8.2 (6.5, 10.3) | ||
| Highest quartile (>3319.0 mg/day) | 33 | 2.5 (1.7, 3.7) | 77 | 8.1 (5.8,11.2) | ||
a
Total number of men and women responding for the category or condition under study (denominator) excluding those with missing data
b
Weighted prevalence reported
c
p-value: Pearson’s design-based Chi-square test with appropriate sampling weights