Skip to main content

Table 3 Physical characteristics, physical activity, screen time, and dietary measures of the total sample and by control and intervention schools grouped by sex.

From: Project FIT: Rationale, design and baseline characteristics of a school- and community-based intervention to address physical activity and healthy eating among low-income elementary school children

  Control School Intervention Schools TOTAL
  Males
n = 47
Females
n = 59
Total
n = 106
Males
n = 139
Females
n = 158
Total
n = 297
n = 403
Age (yrs) 9.6 (0.9) 9.7 (1.0) 9.7 (0.9) 9.6 (0.9) 9.6 (1.0) 9.6 (0.9) 9.7 (0.9)
BMI percentile 77.5 (24.7) 70.0 (29.0) 73.2 (27.3) 74.3 (24.7) 71.2 (28.8) 72.6 (26.9) 73.0 (27.0)
   % Underweight 0% 0% 0% 0% 1.3% 0.7% 0.5%
   % Normal weight 46.8% 55.9% 51.9% 50.7% 50.6% 50.7% 51.0%
   % Overweight 19.1% 11.9% 15.1% 17.4% 19.0% 18.2% 17.4%
   % Obese 25.5% 28.8% 27.4% 26.1% 22.8% 24.3% 25.1%
   % Severely Obese 8.5% 3.4% 5.7% 5.8% 6.3% 6.1% 6.0%
Physical Activity        
Self-report physical activity (d/wk) 4.3 (2.7) 3.2 (2.5) 3.7 (2.6) 3.9 (2.6) 4.0 (2.5) 4.0 (2.5) 3.9 (2.6)
   % reporting ≥5 days 48.8% 33.3% 40.0% 46.4% 45.0% 45.7% 43.7%
   % reporting 7 days 39.5% 21.1% 29.0% 31.0% 30.0% 30.4% 29.9%
Screen Time        
Weekday TV (hrs/d) 1.4 (1.4) 1.7 (1.5) 1.6 (1.4) 1.9 (1.5) 1.8 (1.4) 1.8 (1.5) 1.7 (1.5)
Weekend TV (hrs/d) 2.2 (1.3) 2.4 (1.3) 2.3 (1.3) 2.4 (1.4) 2.4 (1.4) 2.4 (1.4) 2.4 (1.4)
Weekly TV (hrs/d) 1.7 (1.2) 1.9 (1.3) 1.8 (1.3) 2.0 (1.4) 2.0 (1.3) 2.0 (1.3) 1.9 (1.3)
Weekday Screen Time (hrs/d) 3.7 (3.0) 3.4 (3.0) 3.5 (3.0) 5.1 (3.4) 3.9 (3.4) 4.4 (3.4) 4.1 (3.3)
Weekend Screen Time (hrs/d) 5.6 (3.1) 4.7 (3.0) 5.1 (3.1) 6.0 (3.0) 4.9(3.1) 5.4 (3.1) 5.3 (3.1)
Total Screen Time (hrs/d) 4.3 (2.8) 3.8 (2.8) 4.0 (2.8) 5.4 (3.2) 4.2 (3.2) 4.7 (3.2) 4.5 (3.1)
   % ≥ 2 hrs/d screen time 74.4% 73.1% 73.7% 82.1% 71.8% 76.7% 75.6%
Diet        
Whole grain breads (times/d yesterday) 0.50 (0.77) 0.41 (0.56) 0.45 (0.66) 0.67 (0.79) 0.59 (0.72) 0.62 (0.75) 0.58 (0.73)
Cereals (whole grain) (times/d yesterday) 0.72 (0.88) 0.37 (0.49) 0.52 (0.70) 0.70 (0.94) 0.55 (0.78) 0.62 (0.86) 0.60 (0.82)
French fries or chips (times/d yesterday) 1.00 (1.12) 0.85 (0.87) 0.91 (0.98) 1.00 (0.99) 0.88 (0.87) 0.93 (0.93) 0.93 (0.94)
Vegetables (times/d yesterday) 1.18 (1.15) 0.93 (0.81) 1.04 (0.97) 1.09 (1.03) 0.90 (0.92) 0.99 (0.98) 1.00 (0.97)
Beans (times/d yesterday) 0.36 (0.61) 0.19 (0.39) 0.26 (0.50) 0.51 (0.79) 0.41 (0.68) 0.46 (0.74) 0.41 (0.69)
Fruit (times/d yesterday) 1.57 (1.09) 1.61 (1.00) 1.59 (1.03) 1.42 (1.05) 1.22 (0.92) 1.31 (0.99) 1.38 (1.01)
Fruit juice (times/d yesterday) 0.91 (0.96) 1.07 (0.91) 1.00 (0.93) 1.05 (0.97) 0.96 (0.89) 1.00 (0.93) 1.00 (0.93)
Dairy beverages and food* (times/d yesterday) 3.3 (2.2) 2.8 (1.4) 3.0 (1.8) 3.2 (2.0) 2.6 (1.7) 2.9 (1.8) 2.9 (1.8)
Sugar Drinks** (times/d yesterday) 1.9 (1.3) 1.4 (1.1) 1.6 (1.2) 1.9 (1.6) 1.4 (1.5) 1.6 (1.6) 1.6 (1.5)
Desserts and Candy*** (times/d yesterday) 2.0 (2.1) 1.3 (1.6) 1.6 (1.8) 2.1 (2.2) 2.1 (2.0) 2.1 (2.1) 2.0 (2.0)
Plate Consumption#        
Entrée     0.75 (0.25) 0.72 (0.27) 0.73 (0.26)  
Fruit     0.55 (0.33) 0.65 (0.29) 0.61 (0.31)  
Vegetable     0.35 (0.32) 0.37 (0.32) 0.36 (0.32)  
Grain     0.65 (0.31) 0.61 (0.31) 0.63 (0.31)  
Milk (ml)     58.6 (68.9) 79.3 (73.4) 69.8 (71.9)  
  1. Diet measures expressed as times eaten yesterday. Values are mean (standard deviation) or percentage
  2. *Summary variable combining 3 SPAN items: cheese, milk and yogurt
  3. **Summary variable combining 2 SPAN items: sugar drinks and pop
  4. ***Summary variable combining 3 SPAN items: desserts, frozen desserts and chocolate candy
  5. #proportion of item consumed. Note: data from control school was lost due to technical difficulties.