Table 3.
Time trends in the crude and age-adjusted prevalence of pregestational type 1 diabetes (95% Confidence Interval) per 100 deliveries by race/ethnicity: Kaiser Permanente Northern California 1996–2014.
| 1996–1999 (n= 124,825) |
2000–2002 (n= 102,060) |
2003–2005 (n= 103,701) |
2006–2008 (n= 109,200) |
2009–2011 (n= 104,901) |
2012–2014 (n=110,775) |
% Changea | P for trend |
|
|---|---|---|---|---|---|---|---|---|
| All | ||||||||
| Crude | 0.13 | 0.13 | 0.18 | 0.20 | 0.28 | 0.23 | 76.9 | |
| Age-adjusted | 0.14 | 0.13 | 0.19 | 0.20 | 0.29 | 0.24 | 73.2 | <.0001 |
| Non-Hispanic White | ||||||||
| Crude | 0.17 | 0.18 | 0.25 | 0.29 | 0.39 | 0.38 | 124 | |
| Age-adjusted | 0.17 | 0.17 | 0.24 | 0.28 | 0.37 | 0.36 | 118.4 | <.0001 |
| African American | ||||||||
| Crude | 0.20 | 0.23 | 0.34 | 0.21 | 0.33 | 0.24 | 20.0 | |
| Age-adjusted | 0.23 | 0.26 | 0.38 | 0.24 | 0.37 | 0.27 | 17.0 | 0.43 |
| Asian | ||||||||
| Crude | 0.10 | 0.03 | 0.10 | 0.09 | 0.12 | 0.08 | −20.0 | |
| Age-adjusted | 0.11 | 0.04 | 0.11 | 0.10 | 0.13 | 0.09 | −18.4 | 0.57 |
| Hispanic | ||||||||
| Crude | 0.08 | 0.09 | 0.16 | 0.16 | 0.26 | 0.16 | 100 | |
| Age-adjusted | 0.08 | 0.09 | 0.17 | 0.16 | 0.26 | 0.16 | 88.3 | <.0001 |
a
Indicates rate change from 1996–1999 to 2012–2014 prevalence estimates