Table 1.
Demographic, lifestyle and anthropometric characteristics
| CUNV with normal gastric emptying† (N = 106) | Gastroparesis* (N = 319) | P‡ | |
|---|---|---|---|
| Demographics | |||
| Age, median (IQR) | 39.5 (30, 50) | 42 (32, 52) | 0.43 |
| Race and ethnicity, N (%) | 0.17 | ||
| White, non-Hispanic | 86 (81.1) | 269 (84.3) | |
| Black, non-Hispanic | 6 (5.7) | 28 (8.8) | |
| Hispanic | 6 (5.7) | 13 (4.1) | |
| Asian or Pacific Islander | 3 (2.8) | 3 (0.9) | |
| American Indian or Alaska native | 0 (0.0) | 1 (0.3) | |
| More than one race | 5 (4.7) | 5 (1.6) | |
| Gender, N (%) | 0.89 | ||
| Male | 20 (18.9) | 58 (18.2) | |
| Female | 86 (81.1) | 261 (81.8) | |
| Marital status, N (%) | 0.94 | ||
| Single, never married | 27 (25.5) | 83 (26.0) | |
| Married or similar | 62 (58.5) | 190 (59.6) | |
| Separated, divorced or annulled | 13 (12.3) | 37 (11.6) | |
| Widowed | 4 (3.8) | 9 (2.8) | |
| Currently employed, yes vs. no, N (%) | 64 (60.4) | 143 (44.8) | 0.007 |
| Occupational history, N (%) | 0.59 | ||
| Never employed | 3 (2.8) | 7 (2.2) | |
| Laborer | 9 (8.5) | 40 (12.5) | |
| Clerical | 20 (18.9) | 56 (17.6) | |
| Professional | 51 (48.1) | 165 (51.7) | |
| Homemaker | 6 (5.7) | 10 (3.1) | |
| Other | 17 (16.0) | 41 (12.9) | |
| Household income≥$50,000, yes vs. no, N (%) | 55 (51.9) | 172 (53.9) | 0.74 |
| Education level, N (%) | 0.52 | ||
| Did not complete high school | 4 (3.7) | 19 (6.0) | |
| High school | 20 (18.9) | 77 (24.1) | |
| Some college or post-high school training | 52 (49.1) | 136 (42.6) | |
| Bachelor’s degree or higher | 30 (28.3) | 87 (27.3) | |
| Lifestyle characteristics | |||
| History of cigarette smoking, N (%) | 0.27 | ||
| Never | 59 (55.7) | 200 (62.7) | |
| Past smoker | 30 (28.3) | 66 (20.7) | |
| Current smoker | 17 (16.0) | 53 (16.6) | |
| Average cigarettes per day among regular smokers, median (IQR) | 10 (7, 20) | 10 (7, 20) | 0.65 |
| Abstain from alcohol during past year, N (%) | 70 (66.0) | 216 (67.7) | 0.81 |
| Frequency of having six or more drinks on one occasion, N (%) | 0.004 | ||
| Never | 93 (87.7) | 303 (95.0) | |
| Less than monthly | 7 (6.6) | 14 (4.4) | |
| Monthly | 6 (5.7) | 2 (0.6) | |
| Formal nutrition consult, yes vs. no, N (%) | 35 (33.0) | 113 (35.4) | 0.72 |
| Anthropometric measures | |||
| Height, m, median (IQR) | 1.65 (1.60, 1.72) | 1.64 (1.60, 1.70) | 0.10 |
| Weight, kg, median (IQR) | 71.7 (58.0, 86.6) | 68.9 (56.7, 86.2) | 0.47 |
| BMI, median (IQR) | 26.3 (21.6, 31.2) | 25.4 (20.7, 31.6) | 0.54 |
*
Gastroparesis; based on delayed gastric emptying scintigraphy >60% retention at 2 hours or >10% retention at 4 hours.
††
Chronic Unexplained Nausea and Vomiting
‡
P values based on Fisher’s exact test for categorical variables and Wilcoxon rank sum test for measured variables.