| |
Yi Farmer
|
Yi Migrant
|
|---|
|
Male
|
Female
|
Male
|
Female
|
|---|
|
2007
|
2015
|
P
|
2007
|
2015
|
P
|
2007
|
2015
|
P
|
2007
|
2015
|
P
|
|---|
|
N
|
1071 (46.67)
|
647 (34.16)
|
< 0.0001
|
1224 (53.33)
|
1247 (65.84)
|
< 0.0001
|
656 (59.64)
|
384 (33.05)
|
< 0.0001
|
444 (40.36)
|
778 (66.95)
|
< 0.0001
|
|
Age (years)
|
38.63 ± 12.39
|
46.07 ± 13.31
|
< 0.0001
|
40.07 ± 11.59
|
44.99 ± 12.35
|
< 0.0001
|
41.48 ± 11.87
|
52.02 ± 14.30
|
< 0.0001
|
39.68 ± 12.42
|
47.37 ± 14.17
|
< 0.0001
|
|
Age group
| | |
< 0.0001
| | |
< 0.0001
| | |
< 0.0001
| | |
< 0.0001
|
|
20–29
|
287 (26.80)
|
67 (10.36)
| |
243 (19.85)
|
115 (9.22)
| |
116 (17.68)
|
20 (5.21)
| |
100 (22.52)
|
77 (9.90)
| |
|
30–39
|
292 (27.26)
|
154 (23.80)
| |
337 (27.53)
|
330 (26.46)
| |
186 (28.35)
|
71 (18.49)
| |
136 (30.63)
|
186 (23.91)
| |
|
40–49
|
258 (24.09)
|
194 (29.98)
| |
352 (28.76)
|
409 (32.80)
| |
172 (26.22)
|
80 (20.83)
| |
112 (25.23)
|
191 (24.55)
| |
|
50–59
|
180 (16.81)
|
112 (17.31)
| |
234 (19.12)
|
212 (17.00)
| |
141 (21.50)
|
61 (15.89)
| |
59 (13.29)
|
149 (19.15)
| |
|
60–80
|
54 (5.04)
|
120 (18.55)
| |
58 (4.74)
|
181 (14.52)
| |
41 (6.25)
|
152 (39.58)
| |
37 (8.33)
|
175 (22.49)
| |
|
Duration of residence (years)
| | | | | | | | |
< 0.0001
| | |
0.0165
|
|
1–10
|
–
|
–
| |
–
|
–
| |
146 (22.26)
|
110 (28.65)
| |
156 (35.13)
|
276 (35.47)
| |
|
11–20
|
–
|
–
| |
–
|
–
| |
192 (29.27)
|
88 (22.92)
| |
147 (33.11)
|
233 (29.95)
| |
|
21–30
|
–
|
–
| |
–
|
–
| |
170 (25.91)
|
61 (15.88)
| |
94 (21.17)
|
138 (17.74)
| |
|
31-
|
–
|
–
| |
–
|
–
| |
148 (22.56)
|
125 (32.55)
| |
47 (10.59)
|
131 (16.84)
| |
|
Education a
| | |
< 0.0001
| | |
0.0082
| | |
< 0.0001
| | |
< 0.0001
|
|
Low
|
916(87.32)
|
471(72.80)
| |
1184(98.59)
|
1208(96.87)
| |
80(12.56)
|
99(25.78)
| |
204(47.22)
|
530(68.21)
| |
|
Moderate
|
130(12.39)
|
163(25.19)
| |
16(1.33)
|
31(2.49)
| |
269(42.23)
|
180(46.88)
| |
148(34.26)
|
182(23.42)
| |
|
High
|
3(0.29)
|
13(2.01)
| |
1(0.08)
|
8(0.64)
| |
288(45.21)
|
105(27.34)
| |
80(18.52)
|
65(8.37)
| |
|
Income (CNY) a
| | |
< 0.0001
| | |
< 0.0001
| | |
< 0.0001
| | |
< 0.0001
|
|
0–1000
|
856(80.91)
|
151(23.34)
| |
1091(90.39)
|
393(31.64)
| |
32(4.92)
|
9(2.35)
| |
41(9.34)
|
50(6.47)
| |
|
1001–5000
|
182(17.20)
|
298(46.06)
| |
111(9.20)
|
630(50.73)
| |
208(31.95)
|
30(7.81)
| |
153(34.85)
|
98(12.68)
| |
|
5001-
|
20(1.89)
|
198(30.60)
| |
5(0.41)
|
219(17.63)
| |
411(63.13)
|
345(89.84)
| |
245(55.81)
|
625(80.85)
| |
|
Smoking status a
| | |
< 0.0001
| | |
< 0.0001
| | |
< 0.0001
| | |
0.1605
|
|
Never smoker
|
216(20.19)
|
97(15.02)
| |
1124(91.91)
|
1171(94.06)
| |
194(29.57)
|
71(18.49)
| |
415(93.47)
|
721(92.91)
| |
|
Former smoker
|
21(1.96)
|
43(6.66)
| |
0(0.00)
|
12(0.96)
| |
54(8.23)
|
53(13.80)
| |
4(0.90)
|
13(1.68)
| |
|
0–9 pack-year
|
275(21.50)
|
94(14.55)
| |
58(4.74)
|
25(2.01)
| |
110(16.77)
|
53(13.80)
| |
14(3.15)
|
15(1.93)
| |
|
10–19 pack-year
|
239(22.34)
|
115(17.80)
| |
15(1.23)
|
15(1.20)
| |
99(15.09)
|
55(14.32)
| |
7(1.58)
|
9(1.16)
| |
|
20- pack-year
|
319(29.81)
|
297(45.98)
| |
26(2.13)
|
22(1.77)
| |
199(30.34)
|
152(39.58)
| |
4(0.90)
|
18(2.32)
| |
|
Drinking status
| | |
< 0.0001
| | |
< 0.0001
| | |
< 0.0001
| | |
0.2917
|
|
Never drinker
|
497(46.41)
|
109(16.85)
| |
1132(92.48)
|
1145(91.82)
| |
172(26.22)
|
75(19.53)
| |
377(84.91)
|
663(85.22)
| |
|
Ever drinker
|
26(2.43)
|
134(20.71)
| |
0(0.00)
|
20(1.60)
| |
50(7.62)
|
71(18.49)
| |
7(1.58)
|
24(3.08)
| |
|
Low risk
|
353(32.96)
|
264(40.80)
| |
63(5.15)
|
68(5.45)
| |
308(46.95)
|
157(40.89)
| |
44(9.91)
|
74(9.51)
| |
|
Moderate risk
|
40(3.73)
|
46(7.11)
| |
18(1.47)
|
5(0.40)
| |
36(5.49)
|
23(5.99)
| |
7(1.58)
|
6(0.77)
| |
|
High risk
|
155(14.47)
|
94(14.53)
| |
11(0.90)
|
9(0.72)
| |
90(13.72)
|
58(15.10)
| |
9(2.03)
|
11(1.41)
| |
|
Physical activity a
| | |
< 0.0001
| | |
< 0.0001
| | |
0.5886
| | |
< 0.0001
|
|
Light
|
18(1.68)
|
163(25.19)
| |
20(1.64)
|
353(28.31)
| |
520(79.39)
|
303(78.91)
| |
287(64.64)
|
593(76.22)
| |
|
Moderate
|
32(2.99)
|
50(7.73)
| |
125(10.22)
|
64(5.13)
| |
94(14.35)
|
51(13.28)
| |
101(22.75)
|
124(15.94)
| |
|
Heavy
|
1020(95.33)
|
434(67.08)
| |
1078(88.14)
|
830(66.56)
| |
41(6.26)
|
30(7.81)
| |
56(12.61)
|
61(7.84)
| |
|
BMI(kg/m2)b
|
20.83 ± 0.08
|
22.30 ± 0.11
|
< 0.0001
|
21.56 ± 0.09
|
22.42 ± 0.09
|
< 0.0001
|
24.00 ± 0.15
|
24.32 ± 0.20
|
0.1925
|
23.46 ± 0.19
|
24.38 ± 0.14
|
0.0001
|
- Data are presented as mean ± standard deviation or number (percentage);
- a: Numbers do not sum up to the total due to missing data;
- b: Lsmeans ± standard error, adjust for age;
- Abbreviation: BMI body mass index
