Skip to main content

Table 1 Baseline characteristics of participants in the reliability and validity studies

From: Reliability and concurrent validity of the International Physical Activity Questionnaire short form among pregnant women

  Reliability study
n = 88
Validity study
n = 64
Variable Median (min-max)
Age at inclusion (years) 28 (20–42) 30 (22–44)
Gestational week at inclusion 19 (16–31) 21 (16–35)
Pre-pregnancy weight (kg) 64 (51–103) 63 (50–112)
Pre-pregnancy BMI (kg/m2) 22.6 (17.9–38.3) 22.3 (19.5–43.2)
  n (%)
Educational level
  ≥ 4 years college/university
28 (31.8) 29 (45.3)
Occupation
 Employed outside home
 Long-term sick leave
78 (88.6)
1 (1.1)
55 (85.9)
0
Household income (NOK)
  ≤ 400,000
 401,000–700,000
  > 700,000
 Wish not to answer
12 (13.6)
33 (37.5)
38 (43.2)
5 (5.7)
20 (31.0)
14 (22.0)
30 (47.0)
-
Evaluation of own health
 Good/very good
78 (88.6) 59 (92.2)
Marital status
 Married/cohabitant/partner
 Single
86 (97.7)
1 (1.1)
61 (95.3)
2 (3.1)
Tobacco habits
 Non-smoker
 Smoked pre-pregnancy
 Daily smoker
 Daily snuff
67 (76.1)
19 (21.6)
2 (2.3)
0 (0)
48 (75.0)
13 (20.3)
3 (4.7)
2 (3.1)