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Table 3 Part 1 (1997 dataset): Linear trend across three PAI categories for continuous variables

From: Development of a four-item physical activity index from information about subsistence living in rural African women: a descriptive, cross-sectional investigation

 

Subsistence and Physical Activity level

 
 

Low (PAI score ≤2)

b(n = 81)

Medium (PAI score = 3)

(n = 52)

High (PAI score = 4)

(n = 73)

Significance level

Anthropometry and fitness

    

Body mass index (kg.m-2)

28.1 (26.8 to 29.5)

26.4 (24.7 to 28.1)

25.5 (24.1 to 27.0)

0.0091 2

Waist circumference (cm)

87 (85 to 90)

82 (79 to 86)

80 (77 to 83)

0.0003 2

Resting blood pressure

    

Systolic blood pressure (mmHg)

132 (128 to 137)

128 (123 to 134)

126 (122 to 131)

0.0754

Diastolic blood pressure (mmHg)

85 (82 to 87)

84 (81 to 88)

84 (82 to 87)

0.7305

Blood biochemistry

    

Blood glucose (mmol.l-1) 1

5.96 (5.54 to 6.41)

4.95 (4.52 to 5.42)

4.62 (4.28 to 4.99)

< 0.0001 2

Triglyceride (mmol.l-1) 1

0.96 (0.88 to 1.05)

0.96 (0.86 to 1.07)

0.94 (0.86 to 1.03)

0.7668

Total cholesterol (mmol.l-1)

4.67 (4.44 to 4.90)

4.41 (4.12 to 4.70)

4.43 (4.19 to 4.68)

0.1631

HDL-cholesterol (mmol.l-1)

1.19 (1.15 to 1.22)

1.18 (1.13 to 1.23)

1.20 (1.15 to 1.24)

0.7563

LDL-cholesterol (mmol.l-1) 1

2.85 (2.64 to 3.08)

2.60 (2.36 to 2.86)

2.57 (2.37 to 2.79)

0.0650

  1. Values are reported as age-adjusted mean (95%CI) except 1 age-adjusted geometric mean (95%CI); 2 significant linear trend for low-to-high active