Table 3.
Demographic, Airway Disease and Exposure for Cases with and without Home Visits and with or without Disease defined by Airflow Obstruction by Spirometry or Chronic Bronchitis Symptoms by Survey
| Home Visit (n=138) |
No Home Visit (n=95) |
P value | FEV1/FVC<0.70 or CB (n=99) |
All Others * (n=134) |
P value | |
|---|---|---|---|---|---|---|
| Age | 0.48 | 0.01 | ||||
| 55-60 years | 31(22%) | 28(29%) | 17 (17%) | 42 (31%) | ||
| 61-65 years | 36 (26%) | 23 (24%) | 22 (22%) | 37 (28%) | ||
| 66-75 | 71 (51%) | 44(46%) | 60 (61%) | 55 (41%) | ||
| Female | 86(62%) | 62 (65%) | 0.75 | 60 (61%) | 88 (66%) | 0.51 |
| White, Non-Hispanic | 120 (87%) | 84 (88%) | 0.90 | 88 (89%) | 116 (87%) | 0.74 |
| Smoking Status | 0.21 | 0.06 | ||||
| Never smoker | 32 (23%) | 23 (24%) | 20 (20%) | 35 (26%) | ||
| Current smoker | 19 (14%) | 21 (22%) | 12 (12%) | 28 (21%) | ||
| Past smoker | 87 (63%) | 51 (54%) | 67 (68%) | 71 (53%) | ||
| Diagnosis | ||||||
| COPD | 49 (36%) | 35 (37%) | 0.94 | 41 (41%) | 43 (32%) | 0.18 |
| Emphysema | 55 (40%) | 34 (36%) | 0.62 | 50 (51%) | 39 (29%) | 0.001 |
| Chronic Bronchitis | 92 (67%) | 69 (73%) | 0.41 | 60 (61%) | 101 (75%) | 0.02 |
| Exposure | ||||||
| Self-reported VGDF | 69 (50%) | 54 (57%) | 0.37 | 48 (48%) | 75 (56%) | 0.32 |
| JEM Assignment | 0.77 | 0.48 | ||||
| Low | 99 (72%) | 70 (74%) | 69 (70%) | 100 (75%) | ||
| Moderate | 25 (18%) | 14 (15%) | 20 (20%) | 19 (14%) | ||
| High | 14 (10%) | 11 (12%) | 10 (10%) | 15 (11%) | ||
| VGDF + High JEM | 13 (9%) | 10 (11%) | 0.96 | 9 (9%) | 14 (10%) | 0.90 |
*
95 did not participate in the home visit and thus were without lung function data and 39 did complete home visits but met neither of the two criteria: airflow obstruction (FEV1/FVC ≥ 0.70) or productive cough for three months in row over the previous two years by questionnaire (CB).