Table:
all
males
females

mean or %
95% confidence interval
mean or %
95% confidence interval
mean or %
95% confidence interval

from
to
from
to
from
to

child characteristics

age
8.4
8.3
8.6
8.4
8.2
8.6
8.5
8.3
8.7

body mass index
17.4
17.2
17.7
17.6
17.2
18.0
17.2
16.9
17.6

percent overweight or obese
29.3
25.8
33.0
32.1
27.7
36.9
26.0
21.3
31.3

average daily mvpa
61.2
56.9
65.6
68.8
63.6
74.0
52.5
48.3
56.8

cardiorespiratory fitness
50.6
50.2
51.1
51.1
50.4
51.8
50.1
49.5
50.8

muscular strength: grip strength
25.6
24.8
26.3
26.4
25.2
27.6
24.6
23.7
25.5

muscular strength: grip strength
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8

flexibility: sit-and-reach
27.0
26.3
27.7
24.5
23.5
25.5
29.9
29.2
30.6

parent characteristics

age
39.3
38.7
40.0
40.7
39.7
41.6
38.4
37.7
39.0

body mass index
27.2
26.8
27.6
27.9
27.3
28.5
26.7
26.1
27.3

percent overweight or obese
60.3
56.2
64.2
74.1
67.6
79.7
50.6
44.0
57.3

average daily mvpa
23.4
21.0
25.7
27.0
23.7
30.3
20.9
17.9
23.8

cardiorespiratory fitness
36.6
36.0
37.1
39.3
38.2
40.4
34.9
34.2
35.5

muscular strength: grip strength
72.9
71.1
74.6
95.0
92.1
98.0
57.5
56.3
58.8

muscular strength: grip strength
0.9
0.9
1.0
1.1
1.1
1.1
0.8
0.8
0.9

flexibility: sit-and-reach
27.7
26.9
28.6
23.6
22.4
24.7
30.6
29.8
31.3

household characteristics

marital status of parent

married or living common-law
85.0
81.2
88.2
94.9
90.6
97.3
78.2
72.5
83.0

single, divorced or widowed
15.0
11.8
18.8
5.1
2.7
9.4
21.8
17.0
27.5

highest education of parent

secondary school graduation or less
20.0
16.5
24.1
24.7
19.3
30.9
16.8
13.1
21.3

postsecondary below bachelor's degree
43.0
39.2
46.9
40.1
34.7
45.7
45.0
40.1
50.0

bachelor's degree or more
37.0
31.8
42.5
35.2
28.6
42.4
38.2
31.9
44.9

number of children in household

more than one child in household
82.6
78.6
85.9
86.7
82.2
90.1
79.8
74.4
84.2

one child in household
17.4
14.1
21.4
13.3
9.9
17.8
20.2
15.8
25.6

household income

quintile 1
14.4
11.9
17.3
8.0
5.5
11.5
18.8
14.7
23.9

quintile 2
16.6
13.8
19.9
15.6
11.8
20.2
17.4
13.8
21.6

quintile 3
20.5
16.5
25.1
21.2
14.5
30.0
19.9
15.5
25.2

quintile 4
21.6
18.0
25.5
24.1
19.3
29.5
19.8
15.9
24.4

quintile 5
27.0
22.8
31.6
31.2
24.0
39.4
24.1
19.6
29.2

Statement: boys had higher muscular strength than girls.
Question: children of which sex had higher muscular strength?
Answer: males