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Table 1 National incidence of calcaneal fractures among Chinese population by demographic, socioeconomic, and geographic factors in 2014

From: Socioeconomic factors and lifestyles influencing the incidence of calcaneal fractures, a national population-based survey in China

ItemsSample sizeMaleFemaleTotal
CaseIncidence (1/100000)CaseIncidence (1/100000)CaseIncidence (1/100000)
Overall5121874517.3 (12.3–22.4)145.5 (2.6–8.4)5911.5 (8.6–14.5)
Age (years)       
 0–14811664912.756.2
(0.2–17.9)(0.8–11.6)
 15–442362061815.243.4229.3
(8.2–22.3)(0.1–6.7)(5.4–13.2)
 45–641385331927.557.22417.3
(15.1–39.8)(0.9–13.5)(10.4–24.3)
 65 +56282414.2414.2814.2
(0.3–28.2)(0.3–28.1)(4.4–24.1)
p value for trend test5121870.130.0280.021
Ethnicity       
 Han4775084317.8145.95711.9
(12.5–23.1)(2.8–9.1)(8.8–15)
 Others34679211.40025.8
(− 4.4–27.1)
p value for difference test5121870.5330.3140.437
Region       
 East2329982420.176.23113.3
(12.1–28.1)(1.6–10.7)(8.6–18)
 Central99109714.136.11010.1
(3.6–24.5)(3.8–16.3)
 West1800801415.544.51810
(7.4–23.6)(0.1–8.8)(5.4–14.6)
p value for difference test5121870.6020.8630.553
Urbanization       
 Urban area2031011211.766188.9
(5.1–18.3)(1.2–10.8)(4.8–13)
 Rural area309086332185.34113.3
(13.8–28.2)(1.6–8.9)(9.2–17.3)
p value for difference test5121870.0780.8140.151
Education       
 Illiterate74937926.1717.31621.4
(9.1–43.2)(4.5–30.1)(10.9–31.8)
 Primary school1589702429.922.52616.4
(17.9–41.9)(10.1–22.6)
 Junior high school121415711.446.7119.1
(3–19.8)(0.1–13.2)(3.7–14.4)
 Senior high school or above40841418.50049.8
(0.4–36.7)(0.2–19.4)
p value for trend test3961630.1040.0360.023