Table 1 Pre- versus post-intervention mean feces reports per week by intervention type and neighborhood
No. Pit Stop Interventions | No. Weeks Observed a | Mean reports per week pre-intervention (SD) | Mean reports per week post-intervention (SD) | Change in Mean (Δ) | p-value b | |
|---|---|---|---|---|---|---|
Intervention Type | ||||||
Installation of New Restroom | 13 | 338 | 49.18 (48.45) | 36.71 (27.17) | -12.47 | 0.0002 |
Provision of Attendants | 15 | 390 | 22.75 (26.56) | 20.87 (16.95) | -1.88 | 0.2296 |
Expansion of Service Hours | 3 | 78 | 34.45 (16.92) | 46.45 (29.45) | 12 | 0.0016 |
Neighborhood of Intervention | ||||||
Tenderloin c | 11 | 286 | 68.01 (45.18) | 50.40 (21.89) | -17.60 | 0.0002 |
Mission c | 5 | 130 | 26.98 (12.71) | 28.24 (11.57) | 1.25 | 0.4068 |
South of Market (SoMa) c | 4 | 104 | 37.42 (13.92) | 39.38 (21.55) | 1.95 | 0.4406 |
Castro/Upper Market | 4 | 104 | 8.99 (5.30) | 12.08 (6.19) | 3.09 | 0.0004 |
Golden Gate Park c | 2 | 52 | 0.69 (1.04) | 0.85 (1.23) | 0.15 | 0.5561 |
Haight Ashbury c | 1 | 26 | 1.08 (1.38) | 1.85 (1.91) | 0.77 | 0.1242 |
Bayview Hunters Point c | 1 | 26 | 2.50 (1.48) | 2.35 (1.72) | -0.15 | 0.7953 |
Sunset Parkside | 1 | 26 | 0.27 (0.53) | 0.65 (0.75) | 0.38 | 0.0606 |
North Beach | 1 | 26 | 6.65 (3.67) | 15.19 (4.89) | 8.54 | 0.0002 |
Financial District/South Beach | 1 | 26 | 3.35 (2.42) | 6.50 (4.31) | 3.15 | 0.0030 |