Table 2.

The demographic characteristics of SS + PTB cases in China from 2011 to 2017

	2011	2012	2013	2014	2015	2016	2017
Gender
Male	28 9079 (72.30)	500 574 (72.23)	221 248 (72.09)	194 846 (72.14)	175 772 (71.94)	168 145 (71.72)	166 718 (71.98)
Female	110 744 (27.70)	192 412 (27.77)	85 662 (27.91)	75 255 (27.86)	68 571 (28.06)	66 312 (28.28)	64 895 (28.02)
Age
0–15 year	1604 (0.47)	1309 (0.38)	1059 (0.35)	933 (0.35)	893 (0.37)	984 (0.42)	1055 (0.45)
15–30 year	92 617 (27.25)	74 868 (21.61)	65 097 (21.21)	54 807 (20.29)	47 009 (19.24)	44 992 (19.19)	41 890 (18.09)
30–45 year	87 885 (25.86)	72 674 (20.97)	62 546 (20.38)	52 179 (19.32)	44 312 (18.14)	41 311 (17.62)	38 909 (16.80)
45–60 year	104 238 (30.67)	91 130 (26.30)	81 904 (26.69)	73 211 (27.11)	66 616 (27.26)	62 986 (26.86)	76 209 (26.55)
> 60 year	113 479 (33.39)	106 512 (30.74)	96 304 (31.38)	88 971 (32.94)	85 513 (35.00)	84 184 (35.90)	88 273 (38.11)
Occupation
Peasants	268 045 (67.04)	230 940 (66.65)	203 042 (66.16)	179 052 (66.29)	158 472 (64.86)	150 085 (64.86)	147 627 (63.74)
Workers	21 020 (5.26)	16 859 (4.87)	13 959 (4.55)	10 363 (3.84)	9616 (3.94)	9141 (3.94)	8538 (3.68)
Domestic unemployed	30 734 (7.69)	29 249 (8.44)	32 112 (10.46)	34 001 (12.59)	32 508 (13.30)	32 493 (13.30)	32 981 (14.24)
Students	11 561 (2.89)	9066 (2.62)	7673 (2.50)	6627 (2.45)	5861 (2.40)	6228 (2.40)	6925 (2.99)
Migrant workers	12 206 (3.05)	8912 (2.57)	6209 (2.02)	3844 (1.42)	3447 (1.41)	3209 (1.41)	2618 (1.13)
Retirees	13 707 (3.43)	13 039 (3.76)	13 483 (4.39)	13 560 (5.02)	13 811 (5.65)	13 876 (5.65)	14 282 (6.17)
Others	42 550 (10.4)	38 428 (11.09)	30 432 (9.92)	22 654 (8.39)	20 628 (8.44)	19 425 (8.44)	18 642 (8.05)

SS + PTB sputum smear-positive pulmonary tuberculosis