From: Collecting household water usage data: telephone questionnaire or diary?
Question | CATI response N = 219 | Diary response N = 219 | CATI response relative to Diary weighted kappa (agreement*) | ||
---|---|---|---|---|---|
 | Average (standard deviation) | % using (N) | Average (standard deviation) | % using (N) |  |
Number of garden watering sessions last 7 days | 1.7 (1.79) | 72.2% (158) | 2.9 (2.24) | 86.3% (189) | 0.36 (poor) |
Automatic watering system duration use (min) | 38.0 (19.2) | 15.5% (34) | 55.4 (26.4) | 11.9% (26) | 0.51 (fair to good) |
Hand held hose duration use (min) | 26.3 (16.9) | 40.6% (89) | 26.5 (32.7) | 58.0% (127) | 0.36 (poor) |
Fixed manual system duration use (min) | 45.3 (23.9) | 17.4% (38) | 43.2 (17.12) | 12.8% (28) | 0.21 (poor) |
Hose and sprinkler duration use (min) | 60.2 (24.8) | 13.2% (29) | 54.6 (33.5) | 22.8% (50) | 0.05 (poor) |