Table 1.
Demographics and health characteristics among migraineurs with or without N/V
| Demographics and health characteristics | Migraineurs
|
*p-value | |||
|---|---|---|---|---|---|
| Total N=7,855 |
With N/V (n=4,528) |
Without N/V (n=3,327) |
|||
| Age, mean (SD), years | 41.81 (14.04) | 41.17 (13.19) | 42.70 (15.07) | <0.001 | |
| Gender, n (%) | Female | 5,766 (73.4) | 3,736 (82.5) | 2,030 (61.0) | <0.001 |
| Male | 2,089 (26.6) | 792 (17.5) | 1,297 (39.0) | ||
| Race/ethnicity, n (%) | Non-Hispanic white | 5,635 (71.7) | 3,409 (75.3) | 2,226 (66.9) | <0.001 |
| Non-Hispanic black | 789 (10.0) | 310 (6.8) | 479 (14.4) | ||
| Hispanic | 811 (10.3) | 438 (9.7) | 373 (11.2) | ||
| Other ethnicity | 620 (7.9) | 371 (8.2) | 249 (7.5) | ||
| Education, n (%) | Less than 4-year degree | 4,927 (62.7) | 2,867 (63.3) | 2,060 (61.9) | 0.205 |
| 4-year degree or higher | 2,928 (37.3) | 1,661 (36.7) | 1,267 (38.1) | ||
| Annual household income, n (%) | <US$25,000 | 1,734 (22.1) | 1,012 (22.3) | 722 (21.7) | 0.007 |
| US$25,000–US$50,000 | 2,175 (27.7) | 1,311 (29.0) | 864 (26.0) | ||
| US$50,000–US$75,000 | 1,563 (19.9) | 893 (19.7) | 670 (20.1) | ||
| US$75,000 or more | 1,912 (24.3) | 1,043 (23.0) | 869 (26.1) | ||
| Declined to answer | 471 (6.0) | 269 (5.9) | 202 (6.1) | ||
| BMI category, n (%) | Underweight | 182 (2.3) | 113 (2.5) | 69 (2.1) | 0.019 |
| Normal weight | 2,625 (33.4) | 1,492 (33.0) | 1,133 (34.1) | ||
| Overweight | 2,118 (27.0) | 1,175 (25.9) | 943 (28.3) | ||
| Obese | 2,731 (34.8) | 1,624 (35.9) | 1,107 (33.3) | ||
| Unknown | 199 (2.5) | 124 (2.7) | 75 (2.3) | ||
| Smoking status, n (%) | Current Smoker | 1,686 (21.5) | 985 (21.8) | 701 (21.1) | 0.551 |
| Former Smoker | 2,093 (26.6) | 1,217 (26.9) | 876 (26.3) | ||
| Never Smoker | 4,076 (51.9) | 2,326 (51.4) | 1,750 (52.6) | ||
| Drink alcohol, n (%) | No | 2,578 (32.8) | 1,521 (33.6) | 1,057 (31.8) | 0.090 |
| Yes | 5,277 (67.2) | 3,007 (66.4) | 2,270 (68.2) | ||
| Exercise 20+ minutes in past month, n (%) | 0 times | 2,525 (32.1) | 1,495 (33.0) | 1,030 (31.0) | 0.054 |
| 1+ times | 5,330 (67.9) | 3,033 (67.0) | 2,297 (69.0) | ||
| Number of migraines in the past 30 days, mean (SD) | 3.27 (5.33) | 3.31 (5.23) | 3.22 (5.47) | 0.482 | |
| CCI, mean (SD) | 0.55 (1.26) | 0.55 (1.15) | 0.54 (1.40) | 0.725 | |
Note:
*
p-value represents comparison of with N/V vs without N/V. Values in bold represent significant pairwise differences at p<0.05 from tests of column proportions (z tests) for categorical variables.
Abbreviations: N/V, nausea/vomiting; BMI, body mass index; CCI, Charlson comorbidity index; SD, standard deviation.