Table 2.

Cumulative Incidence of Hypertension by Sex and Age-Group Among Rural Chinese

MenWomen
CharacteristicCase nIncidence %Case nIncidence %
a The difference is statistically significant (P <.05).
Age-group, years
    35–441,21522.088415.8
    45–541,20232.291325.0
    55–6476937.662533.3
    >6545345.239742.6
    P value<.05<.05
Race
    Mongolian85238.571730.7
    Han2,75127.72,05221.5
    P value<.05<.05
Baseline blood pressure status
    Prehypertension2,91730.82,02926.2
    Normal72225.679018.3
    P value<.05<.05
Total3,63929.6a2,81923.4