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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Prev Med. 2015 Nov 19;82:65–72. doi: 10.1016/j.ypmed.2015.11.011

Table 1.

Overall sample characteristics of adolescents (N=925), living in households without dogs (n=441), households with dogs but do not walk the dogs (n=184) or households with dogs and walk the dogs ≥1 day per week (n=300) in the Seattle and Baltimore regions

Variables of interest within ecological model levels Total Sample Characteristics (N=925)
Mean (SD) or n (%)
Households without dogs (n=441)
Mean (SD) or n (%)
Households with dogs non-dog walkers (n=184)
Mean (SD) or n (%)
Households with dogs walkers (n=300)
Mean (SD) or n (%)
Individual Characteristics
  Adolescent Age 14.09 (1.40) 14.12 (1.37) 14.16 (1.45) 14.02 (1.39)
  Adolescent Gender (Male) 460 (49.6%) 230 (52.2%) 91 (49.5%) 137 (45.7%)
  Adolescent White Non-Hispanic 611 (66.3%) 258 (58.9%) 135 (73.8%) 217 (72.8%)
  Parent married/living with a partner 774 (83.9%) 363 (83.1%) 159 (86.9%) 251 (84.0%)
  Parent with college degree 695 (75.4%) 334 (76.3%) 132 (72.1%) 227 (75.9%)
  House type (single family) 835 (90.5%) 388 (88.8%) 171 (93.4%) 275 (91.7%)
Psychosocial Characteristics
  Confidence in ability to do PA (self-efficacy) [1–5] 3.53 (1.00) 3.44 (1.01) 3.46 (0.97) 3.72 (0.98)
  Decisional balance: (pros of PA - cons of PA) [−5 to 5] 2.01 (0.78) 1.95 (0.78) 1.98 (0.76) 2.12 (0.79)
  Enjoyment of PA [1–5] 4.27 (0.98) 4.22 (1.00) 4.16 (1.06) 4.41 (0.87)
Home Environment
  Portable electronics ownership index [0–4] 2.91 (0.95) 2.85 (1.00) 2.85 (0.95) 3.04 (0.86)
  Electronic items/things in bedroom index [0–6] 2.61(1.70) 2.50 (1.61) 2.65 (1.70) 2.75 (1.81)
  Activity rules index [0–14] 8.72 (3.10) 8.73 (3.08) 8.74 (3.08) 8.68 (3.12)
Perceived neighborhood environment (NEWS)
 Parents NEWS
  Aesthetics [1–4] 3.12 (0.64) 3.11 (0.62) 3.03 (0.64) 3.16 (0.65)
  Traffic Safety [1–4] 2.58 (0.88) 2.59 (0.57) 2.53 (0.59) 2.60 (0.60)
  Pedestrian Safety [1–4] 2.83 (0.65) 2.84 (0.65) 2.79 (0.68) 2.85 (0.64)
  Low Crime Risk [1–4] 3.09 (0.88) 3.07 (0.87) 3.14 (0.89) 3.11 (0.90)
  Low Stranger Dangers [1–4] 3.01 (0.73) 2.96 (0.74) 3.07 (0.72) 3.04 (0.72)
 Adolescent NEWS
  Traffic Safety [1–4] 2.73 (0.61) 2.74 (0.59) 2.72 (0.67) 2.73 (0.61)
  Pedestrian Safety [1–4] 3.10 (0.52) 3.11 (0.51) 3.06 (0.52) 3.12 (0.53)
  Low Crime Risk [1–4] 3.21 (0.91) 3.21 (0.91) 3.17 (0.89) 3.24 (0.92)
  Low Stranger Dangers [1–4] 3.38 (0.74) 3.35 (0.74) 3.39 (0.76) 3.41 (0.73)
Built environment characteristics
  Number parks [parks/sq km] 1.46 (1.65) 1.50 (0.17) 1.24 (1.49) 1.52 (1.72)
  Residential density [housing units/parcel] 6.27 (8.68) 6.99 (11.47) 5.34 (4.84) 5.70 (4.86)
  Street Connectivity [intersections/sq km] 73.37 (21.57) 74.60 (20.90) 70.01 (20.96) 73.41 (22.64)
  Retail floor area ratio [building:parcel sq ft] 0.16 (0.19) 0.16 (0.19) 0.13 (0.16) 0.17 (0.20)
  Mixed use [0=single 1=mixed] 0.18 (0.22) 0.18 (0.22) 0.13 (0.18) 0.20 (0.23)
  Walkability index −0.03 (2.85) 0.14 (3.03) −0.67 (2.52) 0.07 (2.71)