Bamoshmoosh M, Massetti L, Aklan H, Al-Karewany M, Goshae HA, Modesti PA. Central obesity in Yemeni children: A population based cross-sectional study. World J Cardiol 2013; 5(8): 295-304 [PMID: 24009819 DOI: 10.4330/wjc.v5.i8.295]
Corresponding Author of This Article
Pietro Amedeo Modesti, MD, PhD, Department of Clinical and Experimental Medicine, University of Florence, Azienda Ospedaliero Universitaria Careggi, Largo Brambilla 3, 50134 Florence, Italy. pamodesti@unifi.it
Research Domain of This Article
Cardiac & Cardiovascular Systems
Article-Type of This Article
Brief Article
Open-Access Policy of This Article
This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
World J Cardiol. Aug 26, 2013; 5(8): 295-304 Published online Aug 26, 2013. doi: 10.4330/wjc.v5.i8.295
Table 1 Descriptive statistics by age group of the 3114 study participants are reported
Age (yr)
n
Weight
Height (cm)
BMI (kg/m2)
WC
WHtR
HC
WHR
Boys
6
47
17.4 ± 3.5
104.7 ± 8.4
16.0 ± 3.6
48.6 ± 6.5
0.47 ± 0.06
55.3 ± 9.1
0.88 ± 0.08
7
90
18.8 ± 3.5
109.9 ± 8.8
15.7 ± 2.8
50.8 ± 5.7
0.47 ± 0.07
57.2 ± 6.6
0.89 ± 0.07
8
99
21.3 ± 4.5
114.7 ± 9.4
16.4 ± 3.8
52.2 ± 7.1
0.46 ± 0.07
59.6 ± 7.6
0.88 ± 0.08
9
101
24.3 ± 7.4
120.5 ± 10.6
16.8 ± 4.6
55.6 ± 8.5
0.46 ± 0.08
63.8 ± 8.9
0.87 ± 0.07
10
132
26.8 ± 6.6
126.9 ± 10
16.9 ± 4.1
56.3 ± 7.5
0.45 ± 0.06
64.6 ± 9.1
0.88 ± 0.09
11
102
26.7 ± 4.8
129.3 ± 7.9
16.0 ± 2.8
57.0 ± 7.0
0.44 ± 0.05
65.2 ± 7.5
0.88 ± 0.07
12
157
29.9 ± 7.1
133.6 ± 8.4
16.7 ± 3.5
57.1 ± 8.4
0.43 ± 0.06
67.3 ± 9.0
0.85 ± 0.07
13
116
34.7 ± 8.2
141.5 ± 9.9
17.2 ± 3.4
61.4 ± 8.2
0.43 ± 0.05
71.7 ± 9.1
0.86 ± 0.07
14
158
39.2 ± 8.5
148.1 ± 9.7
17.8 ± 2.9
62.6 ± 8.1
0.42 ± 0.05
73.3 ± 8.5
0.86 ± 0.07
15
112
43.2 ± 11.7
150.3 ± 12.8
18.9 ± 4.0
66.8 ± 9.5
0.45 ± 0.06
77.2 ± 10.2
0.87 ± 0.08
16
100
47.3 ± 8.9
155.2 ± 9.6
19.7 ± 3.9
67.9 ± 9.2
0.44 ± 0.06
79.9 ± 9.3
0.85 ± 0.10
17
119
50.1 ± 9.3
160.1 ± 10.6
19.7 ± 3.9
68.1 ± 9.4
0.43 ± 0.06
80.3 ± 9.7
0.85 ± 0.08
18
133
51.4 ± 9.2
160.0 ± 11.1
20.1 ± 3.2
67.9 ± 8.7
0.43 ± 0.05
80.3 ± 9.1
0.85 ± 0.10
19
98
53.8 ± 11.3
161.3 ± 11.2
20.7 ± 4.0
70.3 ± 11.9
0.44 ± 0.07
82.8 ± 12.2
0.85 ± 0.08
Girls
6
51
17.8 ± 2.8
104.5 ± 10.5
17.0 ± 3.8
48.7 ± 7.9
0.47 ± 0.07
56.6 ± 10.7
0.87 ± 0.10
7
79
18.2 ± 4.0
109.4 ± 10.0
15.6 ± 3.9
49.8 ± 6.3
0.46 ± 0.07
57.2 ± 7.8
0.88 ± 0.09
8
86
23.2 ± 7.2
115.4 ± 11.4
17.6 ± 5.2
51.7 ± 9.7
0.45 ± 0.08
59.2 ± 9.4
0.87 ± 0.09
9
122
23.5 ± 5.3
118.6 ± 10.7
17.1 ± 4.6
52.3 ± 8.8
0.44 ± 0.09
60.6 ± 10.4
0.87 ± 0.09
10
164
25.8 ± 6.4
122.7 ± 10.3
17.1 ± 3.8
54.9 ± 8.3
0.45 ± 0.07
64.1 ± 10.1
0.86 ± 0.07
11
123
29.2 ± 7.5
130.9 ± 9.9
17.2 ± 4.5
56.6 ± 8.7
0.43 ± 0.07
66.2 ± 10.4
0.86 ± 0.10
12
124
32.5 ± 7.3
133.6 ± 10
18.2 ± 3.6
59.0 ± 9.9
0.44 ± 0.06
69.7 ± 11.4
0.85 ± 0.08
13
133
35.6 ± 6.7
138.2 ± 9.9
18.7 ± 3.6
59.3 ± 10.0
0.43 ± 0.07
70.3 ± 11.6
0.85 ± 0.07
14
130
41.1 ± 7.3
143.9 ± 8.7
19.9 ± 3.3
63.7 ± 9.3
0.44 ± 0.06
75.2 ± 11.1
0.86 ± 0.10
15
102
44.6 ± 10.3
147.9 ± 10.1
20.3 ± 3.9
67.8 ± 8.8
0.46 ± 0.05
80.8 ± 10.3
0.84 ± 0.08
16
108
47.6 ± 9.4
149.9 ± 8.1
21.1 ± 3.5
68.0 ± 9.5
0.45 ± 0.06
82.4 ± 10.2
0.83 ± 0.10
17
97
46.1 ± 8.7
151.4 ± 9.6
20.0 ± 3.1
68.1 ± 9.6
0.45 ± 0.06
82.3 ± 9.9
0.83 ± 0.08
18
128
48.9 ± 8.9
150.5 ± 8.2
21.6 ± 3.6
70.2 ± 9.2
0.47 ± 0.06
84.3 ± 9.8
0.84 ± 0.09
19
105
50.9 ± 10.3
152.2 ± 7.9
21.9 ± 4.0
70.2 ± 11.9
0.46 ± 0.07
86.1 ± 11.5
0.82 ± 0.09
Table 2 Age, and gender specific smoothed waist circumference percentiles for Yemeni children and adolescents aged 6 to 19 years
Age (yr)
n
3rd
5th
10th
25th
50th
75th
90th
95th
97th
Boys
6
47
36.60
38.50
41.30
45.40
48.90
52.50
57.20
60.70
63.30
7
90
37.60
39.70
42.60
46.80
50.40
54.10
58.90
62.50
65.20
8
99
38.80
40.90
43.90
48.20
52.00
55.80
60.80
64.50
67.30
9
101
40.00
42.20
45.30
49.80
53.60
57.60
62.70
66.50
69.40
10
132
41.20
43.40
46.60
51.20
55.10
59.20
64.40
68.40
71.30
11
102
42.20
44.50
47.70
52.50
56.50
60.70
66.10
70.10
73.10
12
157
43.40
45.80
49.10
54.00
58.10
62.40
68.00
72.10
75.20
13
116
44.90
47.40
50.80
55.80
60.10
64.60
70.30
74.70
77.90
14
158
46.70
49.20
52.80
58.00
62.40
67.10
73.00
77.50
80.80
15
112
48.40
51.00
54.70
60.10
64.70
69.50
75.70
80.30
83.80
16
100
49.70
52.40
56.30
61.80
66.60
71.50
77.80
82.60
86.20
17
119
50.80
53.50
57.40
63.10
67.90
73.00
79.40
84.30
87.90
18
133
51.60
54.30
58.30
64.10
69.00
74.10
80.70
85.60
89.30
19
98
52.30
55.10
59.10
65.00
70.00
75.20
81.80
86.80
90.60
Girls
6
51
34.30
36.50
39.70
44.40
48.70
53.10
58.00
61.30
63.60
7
79
35.10
37.40
40.60
45.50
49.90
54.30
59.30
62.70
65.10
8
86
36.00
38.30
41.70
46.60
51.10
55.70
60.80
64.30
66.80
9
121
37.10
39.40
42.90
48.00
52.60
57.30
62.60
66.20
68.70
10
164
38.40
40.80
44.40
49.60
54.50
59.30
64.70
68.50
71.10
11
123
39.80
42.40
46.10
51.50
56.50
61.60
67.20
71.10
73.80
12
124
41.40
44.00
47.90
53.50
58.70
640
69.80
73.90
76.70
13
132
43.00
45.70
49.70
55.60
61.00
66.50
72.60
76.70
79.70
14
130
44.70
47.50
51.70
57.80
63.40
69.10
75.40
79.80
82.80
15
102
46.20
49.20
53.50
59.80
65.60
71.50
78.00
82.50
85.70
16
108
47.40
50.50
54.90
61.40
67.30
73.40
80.10
84.70
87.90
17
97
48.40
51.50
55.90
62.60
68.70
74.80
81.60
86.30
89.60
18
128
49.10
52.30
56.90
63.60
69.80
76.00
83.00
87.70
91.10
19
105
49.80
53.00
57.60
64.50
70.70
77.10
84.10
88.90
92.30
Table 4 Age, and gender specific smoothed waist-to-height ratio percentiles for Yemeni children and adolescents aged 6 to 19 years
Age (yr)
n
3rd
5th
10th
25th
50th
75th
90th
95th
97th
Boys
6
47
0.35
0.37
0.4
0.44
0.47
0.51
0.55
0.59
0.61
7
90
0.35
0.36
0.39
0.43
0.46
0.50
0.54
0.58
0.60
8
99
0.34
0.36
0.38
0.42
0.45
0.49
0.53
0.57
0.59
9
101
0.34
0.35
0.38
0.41
0.45
0.48
0.53
0.56
0.58
10
132
0.33
0.35
0.37
0.41
0.44
0.47
0.52
0.55
0.57
11
102
0.33
0.34
0.37
0.40
0.44
0.47
0.51
0.54
0.57
12
157
0.32
0.34
0.36
0.40
0.43
0.46
0.51
0.54
0.56
13
116
0.32
0.34
0.36
0.40
0.43
0.46
0.50
0.53
0.56
14
158
0.32
0.34
0.36
0.40
0.43
0.46
0.50
0.53
0.55
15
112
0.32
0.34
0.36
0.40
0.43
0.46
0.50
0.53
0.56
16
100
0.32
0.34
0.36
0.40
0.43
0.46
0.50
0.53
0.56
17
119
0.32
0.34
0.36
0.40
0.43
0.46
0.50
0.53
0.56
18
133
0.32
0.34
0.36
0.40
0.43
0.46
0.50
0.53
0.56
19
98
0.32
0.34
0.36
0.40
0.43
0.46
0.51
0.54
0.56
Girls
6
51
0.34
0.36
0.38
0.43
0.47
0.51
0.55
0.59
0.61
7
79
0.33
0.35
0.38
0.42
0.46
0.50
0.54
0.58
0.60
8
86
0.32
0.34
0.37
0.41
0.45
0.49
0.53
0.57
0.59
9
121
0.32
0.34
0.36
0.41
0.44
0.48
0.53
0.56
0.58
10
164
0.32
0.34
0.36
0.40
0.44
0.48
0.52
0.55
0.58
11
123
0.32
0.33
0.36
0.40
0.44
0.48
0.52
0.55
0.57
12
124
0.32
0.33
0.36
0.40
0.44
0.48
0.52
0.55
0.57
13
132
0.32
0.33
0.36
0.40
0.44
0.48
0.52
0.55
0.57
14
130
0.32
0.34
0.36
0.40
0.44
0.48
0.53
0.56
0.58
15
102
0.32
0.34
0.37
0.41
0.45
0.49
0.53
0.56
0.59
16
108
0.33
0.34
0.37
0.41
0.45
0.49
0.54
0.57
0.59
17
97
0.33
0.35
0.37
0.42
0.45
0.50
0.54
0.57
0.60
18
128
0.33
0.35
0.38
0.42
0.46
0.50
0.55
0.58
0.60
19
105
0.33
0.35
0.38
0.42
0.46
0.50
0.55
0.58
0.60
Table 3 Age, and gender specific smoothed waist hip ratio percentiles for Yemeni children and adolescents aged 6 to 19 years
Age (yr)
n
3th
5th
10th
25th
50th
75th
90th
95th
97th
Boys
6
47
0.73
0.76
0.79
0.84
0.89
0.93
0.99
1.03
1.05
7
90
0.73
0.75
0.79
0.84
0.88
0.93
0.98
1.02
1.04
8
99
0.72
0.75
0.78
0.83
0.88
0.92
0.97
1.01
1.04
9
101
0.72
0.74
0.78
0.83
0.87
0.92
0.97
1.01
1.03
10
132
0.72
0.74
0.77
0.82
0.86
0.91
0.96
1.00
1.03
11
102
0.71
0.73
0.77
0.82
0.86
0.90
0.96
0.99
1.02
12
157
0.71
0.73
0.76
0.81
0.85
0.90
0.95
0.99
1.01
13
116
0.70
0.73
0.76
0.81
0.85
0.90
0.95
0.98
1.01
14
158
0.70
0.73
0.76
0.81
0.85
0.89
0.95
0.98
1.01
15
112
0.70
0.73
0.76
0.81
0.85
0.89
0.95
0.98
1.01
16
100
0.70
0.72
0.76
0.80
0.85
0.89
0.94
0.98
1.01
17
119
0.70
0.72
0.76
0.80
0.85
0.89
0.94
0.98
1.00
18
133
0.70
0.72
0.76
0.80
0.85
0.89
0.94
0.98
1.00
19
98
0.70
0.73
0.76
0.81
0.85
0.90
0.95
0.98
1.01
Girls
6
51
0.70
0.73
0.77
0.82
0.87
0.93
0.98
1.01
1.04
7
79
0.70
0.73
0.76
0.82
0.87
0.92
0.98
1.01
1.03
8
86
0.70
0.72
0.76
0.81
0.87
0.92
0.97
1.00
1.03
9
121
0.69
0.72
0.75
0.81
0.86
0.91
0.96
1.00
1.02
10
164
0.69
0.71
0.75
0.80
0.86
0.91
0.96
0.99
1.02
11
123
0.68
0.71
0.75
0.80
0.85
0.90
0.95
0.99
1.01
12
124
0.68
0.71
0.74
0.80
0.85
0.90
0.95
0.98
1.01
13
132
0.68
0.70
0.74
0.79
0.84
0.90
0.95
0.98
1.00
14
130
0.68
0.70
0.74
0.79
0.84
0.89
0.94
0.98
1.00
15
102
0.67
0.70
0.73
0.79
0.84
0.89
0.94
0.97
0.99
16
108
0.67
0.69
0.73
0.78
0.83
0.88
0.93
0.97
0.99
17
97
0.67
0.69
0.73
0.78
0.83
0.88
0.93
0.96
0.98
18
128
0.66
0.69
0.72
0.78
0.83
0.88
0.93
0.96
0.98
19
105
0.66
0.68
0.72
0.77
0.82
0.87
0.92
0.95
0.97
Table 5 Logistic regression of factors associated to different definitions of central obesity
Variables
WHtR≥0.5 OR (95%CI)
WC≥90th OR (95%CI)
WHtR≥0.5/WC≥90th OR (95%CI)
Age (yr)
0.98 (0.94-1.02)
0.95 (0.90-1.00)
0.96 (0.90-1.01)
Gender (girls vs boys)
1.55 (1.29-1.89)
0.97 (0.77-1.22)
1.22 (0.94-1.57)
Location (rural vs urban)
0.66 (0.54-0.79)
0.52 (0.41-0.66)
0.52 (0.40-0.67)
Education (yr)
0.99 (0.95-1.03)
1.08 (1.02-1.14)
1.05 (0.99-1.11)
Sedentary (vs active)
1.42 (1.14-1.75)
1.52 (1.17-1.98)
1.65 (1.24-2.19)
Table 6 Comparison between waist-to-height ratio 10th, 50th and 90th percentiles for Yemeni, Pakistani (n = 12), and Norwegian (n = 22) boys and girls
Age
10th percentiles
50th percentiles
90th percentiles
Y
P
N
Y
P
N
Y
P
N
Boys
6
0.4
0.41
0.41
0.47
0.46
0.45
0.55
0.52
0.49
7
0.39
0.4
0.4
0.46
0.45
0.44
0.54
0.52
0.48
8
0.38
0.4
0.39
0.45
0.45
0.43
0.53
0.52
0.48
9
0.38
0.39
0.38
0.45
0.45
0.42
0.53
0.52
0.48
10
0.37
0.39
0.38
0.44
0.44
0.42
0.52
0.52
0.48
11
0.37
0.38
0.37
0.44
0.44
0.42
0.51
0.52
0.48
12
0.36
0.38
0.37
0.43
0.44
0.41
0.51
0.52
0.47
13
0.36
-
0.36
0.43
-
0.41
0.5
-
0.47
14
0.36
-
0.36
0.43
-
0.41
0.5
-
0.46
15
0.36
-
0.37
0.43
-
0.41
0.5
-
0.46
16
0.36
-
0.37
0.43
-
0.41
0.5
-
0.47
17
0.36
-
0.38
0.43
-
0.42
0.5
-
0.47
18
0.36
-
0.38
0.43
-
0.43
0.5
-
0.48
19
0.36
-
-
0.43
-
-
0.51
-
-
Girls
6
0.38
0.41
0.42
0.47
0.45
0.45
0.55
0.51
0.49
7
0.38
0.4
0.4
0.46
0.45
0.43
0.54
0.52
0.49
8
0.37
0.4
0.4
0.45
0.45
0.43
0.53
0.52
0.48
9
0.36
0.4
0.39
0.44
0.45
0.42
0.53
0.53
0.48
10
0.36
0.39
0.39
0.44
0.44
0.41
0.52
0.53
0.47
11
0.36
0.38
0.38
0.44
0.44
0.41
0.52
0.53
0.46
12
0.36
0.37
0.38
0.44
0.43
0.4
0.52
0.52
0.46
13
0.36
-
0.37
0.44
-
0.4
0.52
-
0.45
14
0.36
-
0.37
0.44
-
0.4
0.53
-
0.45
15
0.37
-
0.37
0.45
-
0.4
0.53
-
0.45
16
0.37
-
0.38
0.45
-
0.4
0.54
-
0.45
17
0.37
-
0.38
0.45
-
0.41
0.54
-
0.46
18
0.38
-
0.39
0.46
-
0.42
0.55
-
0.47
19
0.38
-
-
0.46
-
-
0.55
-
-
Citation: Bamoshmoosh M, Massetti L, Aklan H, Al-Karewany M, Goshae HA, Modesti PA. Central obesity in Yemeni children: A population based cross-sectional study. World J Cardiol 2013; 5(8): 295-304