From: Internet access and use by COPD patients in the National Emphysema/COPD Association Survey
 | Internet access | Frequency of internet use | ||||
---|---|---|---|---|---|---|
 | Yes N = 590 | No N = 324 | p-value | At least weekly N = 150 | Less than weekly N = 440 | p-value |
Comorbidities (%) | Â | Â | Â | Â | Â | Â |
 Hypertension | 44.58 | 53.37 | 0.009 | 28.48 | 50.11 | < 0.0001 |
 Heart disease | 23.39 | 33.43 | 0.0009 | 17.88 | 25.28 | 0.06 |
 Arthritis | 35.93 | 53.08 | < 0.0001 | 27.81 | 38.72 | 0.015 |
 Osteoporosis | 22.03 | 28.74 | 0.02 | 25.17 | 20.96 | 0.28 |
 Diabetes | 17.46 | 24.63 | 0.008 | 11.92 | 19.36 | 0.037 |
 Anxiety | 22.71 | 21.11 | 0.57 | 35.10 | 18.45 | < 0.0001 |
 Depression | 22.71 | 20.82 | 0.50 | 32.45 | 19.36 | 0.0009 |
 Obesity | 21.19 | 15.84 | 0.045 | 31.79 | 17.54 | 0.0002 |
 Sleep disorder | 23.56 | 13.78 | 0.0003 | 22.52 | 23.92 | 0.72 |
 Migraine | 5.76 | 4.11 | 0.27 | 5.96 | 5.69 | 0.90 |
 Mean comorbidities | 2.7 (1.8) | 3.0 (1.9) | 0.01 | 2.8 (1.8) | 2.7 (1.9) | 0.80 |
Disease by systems | Â | Â | Â | Â | Â | Â |
 Any psych disease | 32.49 | 31.38 | 0.72 | 45.70 | 27.95 | < 0.0001 |
 Any cardiovasc disease | 61.59 | 72.43 | 0.0008 | 44.37 | 67.50 | < 0.0001 |
 Any articular disease | 46.19 | 62.76 | < 0.0001 | 41.72 | 47.73 | 0.20 |
Perceived needs (%) | Â | Â | Â | Â | Â | Â |
 Insufficient time with physician | 10.00 | 7.28 | 0.21 | 20.53 | 6.29 | < 0.0001 |
 Dissatisfied with my physician | 10.26 | 6.33 | 0.058 | 14.67 | 8.74 | 0.03 |
 Diagnosis was delayed | 39.42 | 19.35 | <  0.0001 | 57.62 | 33.18 | < 0.0001 |
 Doctor not sympathetic | 3.77 | 1.77 | 0.06 | 6.62 | 2.78 | 0.04 |
 Doctor does not listen | 8.92 | 10.14 | 0.56 | 17.22 | 5.94 | < 0.0001 |
 Treated poorly by healthcare system | 10.28 | 14.02 | 0.11 | 23.33 | 5.19 | < 0.0001 |
 Doctor difficult to make appointment with | 8.02 | 7.25 | 0.67 | 12.58 | 6.44 | 0.01 |
 Doctor difficult to reach | 12,84 | 12.10 | 0.74 | 20.53 | 10.16 | 0.001 |
 Dissatisfied with meds | 9.01 | 8.18 | 0.66 | 13.33 | 7.49 | 0.03 |
 Poor/very poor health | 22.75 | 17.40 | 0.06 | 33.77 | 18.95 | 0.0002 |
 Severe/very severe symptoms | 39.11 | 28.27 | 0.001 | 54.97 | 33.56 | < 0.0001 |
 Symptoms keep me from working | 30.63 | 22.58 | 0.008 | 53.64 | 22.73 | < 0.0001 |
 Symptoms limit amount of work | 48.56 | 45.75 | 0.40 | 56.95 | 45.68 | 0.016 |
 Visits any doctor | 8.0 (6.4) | 6.7 (5.9) | 0.002 | 9.1 (6.6) | 7.6 (6.2) | 0.015 |
 Visits pulmonologist | 3.0 (3.5) | 2.4 (2.7) | 0.010 | 3.9 (4.9) | 2.7 (2.7) | 0.002 |