Urban versus rural differences in the occurrence of hip fractures in Japan’s Kyoto prefecture during 2008–2010: a comparison of femoral neck and trochanteric fractures

Table 1 Prevalence of neck fracture, mean ages, and indices of regional environment and background in each district

Area		Urban	Rural
Medical district			As a whole^*
Medical district		Kyoto-Otokuni		Tango	Chutan	Nantan	Yamashiro Kita
Neck fracture,%^a		51.7	41.9	34.2	42.5	46.2	41.6
Mean age, y	Hip fracture^b	83.1	84.2	85.3	84.2	83.5	84.3
	Neck fracture^c	81.7	82.9	83.2	82.8	82.6	83.3
	Trochanteric fracture^d	84.6	85.2	86.4	85.2	84.3	85.0
Age distribution,%^†	65-74 y	53.2	51.8	43.9	45.6	49.5	59.0
	75-84 y	34.2	34.7	38.8	38.5	36.0	30.6
	≥ 85 y	12.6	13.5	17.3	15.9	14.5	10.4
Elderly (≥65 years old) living alone,%^†		20.9	14.5	14.2	16.6	12.3	14.2
Elderly (≥65 years old) living with aged spouse only,%^†		44.4	46.9	52.7	49.1	46.0	44.6
Population density,/km^2†		1,886.0	124.8	164.4	125.3	1,729.9	434.9
Primary industry’s working population among persons at work,%	Total (1985)^‡	1.4	9.9	14.8	15.0	14.1	3.2
	Total (2010)^†	0.8	4.3	8.1	5.7	6.8	1.8
Primary industry’s working population,%	≥ 65 y (2010)^†	0.7	4.9	7.2	7.1	8.0	1.7
Primary industry’s working population,%	≥ 75 y (2010)^†	0.6	4.8	6.2	6.6	7.0	1.7
Doctors/100,000 people^§	Total	359.2	174.3	152.6	209.2	170.2	164.9
Doctors/100,000 people^§	Orthopedics	22.4	15.4	17.2	15.2	17.4	14.4

^aStatistical differences were seen between urban and rural areas as a whole (P < .0001), Tango and Chutan (P < .05), Tango and Nantan (P < .005), Tango and Kyoto-Otokuni (P < .001), Chutan and Kyoto-Otokuni (P < .001), and Kyoto-Otokuni and Yamashiro Kita (P < .001).
^bStatistical differences were seen between urban and rural areas as a whole (P < .0005), Tango and Chutan (P < .05), Tango and Nantan (P < .005), Tango and Kyoto-Otokuni (P < .0001), Chutan and Kyoto-Otokuni (P < .005), and Kyoto-Otokuni and Yamashiro Kita (P < .01).
^cStatistical differences were seen between Chutan and Kyoto-Otokuni (P < .05) and Kyoto-Otokuni and Yamashiro Kita (P < .05). No statistical difference was seen between urban and rural areas.
^dStatistical differences were seen between Tango and Nantan (P < .005), Tango and Kyoto-Otokuni (P < .005), and Tango and Yamashiro Kita (P < .05). No statistical difference was seen between urban and rural areas.
*Yamashiro Minami medical district was excluded.
^†Source: National Census, 2010.
^‡Source: National Census, 1985.
^§Source: Doctors, Dentists and Pharmacists Survey, 2010.

ISSN: 1471-2474