From: Trends in prevalence of gestational diabetes mellitus in Zhejiang Province, China, 2016–2018
Characteristic | 2016 | 2017 | 2018 |
---|---|---|---|
Overall | |||
Mean age at diagnosis (SD), year | 30.89 (4.74) | 31.59 (4.94) | 31.61 (4.85) |
Number of cases | 30,821 | 33,399 | 32,843 |
Number of births | 330,089 | 323,845 | 315,318 |
Prevalence (%) | 9.34 | 10.31 | 10.42 |
Standardized prevalencea (%) | 6.02 | 7.98 | 7.94 |
Urban areas | |||
Number of cases | 16,427 | 16,267 | 15,831 |
Number of births | 109,054 | 107,029 | 105,110 |
Prevalence (%) | 15.06 | 15.20 | 15.06 |
Standardized prevalencea (%) | 8.24 | 9.66 | 9.50 |
Rural areas | |||
Number of cases | 14,394 | 17,132 | 17,012 |
Number of births | 212,430 | 208,406 | 201,770 |
Prevalence (%) | 6.78 | 8.22 | 8.43 |
Standardized prevalencea (%) | 4.81 | 7.01 | 6.94 |
Urban areas (%) | |||
20–24 years | 5.16 | 4.71 | 3.90 |
25–29 years | 12.70 | 11.43 | 11.26 |
30–34 years | 21.09 | 19.91 | 20.58 |
35–39 years | 30.57 | 36.04 | 32.30 |
40–44 years | 18.16 | 29.36 | 29.79 |
45–50 years | 2.82 | 2.87 | 5.07 |
Rural areas (%) | |||
20–24 years | 1.90 | 1.94 | 2.00 |
25–29 years | 6.08 | 6.41 | 6.53 |
30–34 years | 11.17 | 13.49 | 14.26 |
35–39 years | 16.21 | 22.80 | 21.76 |
40–44 years | 13.70 | 26.35 | 24.74 |
45–50 years | 3.29 | 4.11 | 5.46 |