Table 2.

Descriptions of sleep-related variables and neighborhood environment (N=252)

Variable	Mean	SD	Min	Max	Possible range
1. Pittsburgh Sleep Quality Index (PSQI), global	6.82	3.62	1.00	18.00	0–21
1.1 Perceived sleep quality	2.62	1.91	0.00	9.00	0–9
1.2 Daily disturbance	2.18	1.07	0.00	5.00	0–6
1.3 Sleep efficiency	2.03	1.62	0.00	6.00	0–6
- Sleep latency (minutes)	26.75	22.29	0.00	120.00	0–1440
- Sleep duration (hours)	6.47	1.33	2.40	10.00	0–24
- Sleep efficiency (%)	84.13	15.09	28.24	100.00	0–100
2. Dysfunctional Beliefs and Attitudes Sleep	3.85	1.80	0.00	8.94	0–10
2.1. Consequences of insomnia	4.18	2.44	0.00	10.00	0–10
2.2. Worry about sleep	3.51	2.16	0.00	9.50	0–10
2.3. Sleep expectations	5.98	2.73	0.00	10.00	0–10
2.4. Medication	2.57	2.00	0.00	8.67	0–10
3. Sleep Hygiene	23.10	10.47	2.00	55.00	0–133
4. Neighborhood Environment	2.28	0.62	1.00	4.42	1–5
4.1. Aesthetic quality	2.22	0.83	1.00	5.00	1–5
4.2. Walking environment	2.35	0.71	1.00	4.43	1–5
4.3. Availability of healthy foods	2.77	1.07	1.00	5.00	1–5
4.4. Safety	2.59	1.04	1.00	5.00	1–5
4.5. Social cohesion	2.47	0.81	1.00	5.00	1–5
4.6. Violence	1.43	0.61	1.00	4.00	1–4