Table 1 BRFSS Respondent Characteristics. Overall characteristics of complete cases used in analyses (i.e., Study Subjects) and those excluded due to missing data (i.e., Incomplete Cases) corresponding to BRFSS surveys from years 2007-2012. For each category, N (%) for raw data are shown
From: Gender-specific determinants of asthma among U.S. adults
| Â | Missing Responses | Study Subjects | Incomplete Cases |
|---|---|---|---|
(N = 1,003,894) | (N = 258,370) | ||
Asthma | 4,885 (0.39) | Â | Â |
 No Asthma | 910,446 (90.69) | 228,298 (90.06) | |
 Asthma | 93,448 (9.31) | 25,187 (9.94) | |
Gender | 0 (0.00) | Â | Â |
 Male | 408,785 (40.72) | 74,797 (28.95) | |
 Female | 595,109 (59.28) | 183,573 (71.05) | |
Race/Ethnicity | 49,411 (3.91) | Â | Â |
 White | 791,219 (78.81) | 161,124 (77.11) | |
 Black | 94,962 (9.46) | 20,136 (9.64) | |
 American Indian/Alaskan Native | 8,995 (0.90) | 1,910 (0.91) | |
 Asian/Pacific Islander | 31,782 (3.17) | 6,226 (2.98) | |
 Hispanic | 76,936 (7.66) | 19,563 (9.36) | |
Education level | 5,079 (0.40) | Â | Â |
 Less than high school | 22,554 (2.25) | 12,388 (4.89) | |
 High school | 300,157 (29.90) | 90,843 (35.87) | |
 Some college or more | 681,183 (67.85) | 150,060 (59.24) | |
Yearly Household income (USD) | 165,884 (13.14) | Â | Â |
  < $25,000 | 253,845 (25.29) | 30,061 (32.50) | |
 $25,000-$75,000 | 424,416 (42.28) | 38,185 (41.29) | |
  ≥ $75,000 | 325,633 (32.44) | 24,240 (26.21) | |
Body Mass Index (BMI) | 63,813 (5.06) | Â | Â |
 Not overweight or obese | 364,981 (36.36) | 79,819 (41.03) | |
 Overweight | 370,007 (36.86) | 68,578 (35.25) | |
 Grade 1 obese | 170,604 (16.99) | 29,649 (15.24) | |
 Grade 2 obese | 61,508 (6.13) | 10,193 (5.24) | |
 Grade 3 obese | 36,794 (3.67) | 6,318 (3.25) | |
Smoking status | 10,969 (0.87) | Â | Â |
 Never smoked | 533,717 (53.16) | 139,077 (56.22) | |
 Former smoker | 310,507 (30.93) | 73,486 (29.70) | |
 Current smoker | 159,670 (15.91) | 34,838 (14.08) | |
Age | 13,785 (1.09) | Â | Â |
 22-34 | 118,250 (11.78) | 28,139 (11.50) | |
 35-44 | 159,672 (15.91) | 29,622 (12.11) | |
 45-54 | 211,528 (21.07) | 41,017 (16.77) | |
 55-64 | 225,722 (22.48) | 48,606 (19.87) | |
 65+ | 288,722 (28.76) | 97,201 (39.74) | |