Table 2 CATI versus Diary responses: Garden irrigation
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) |
