Table 1 Detailed cluster-specific analysis for all numerical and categorical variables.

From: Identification and epidemiological characterization of Type-2 diabetes sub-population using an unsupervised machine learning approach

Identified clusters

Cluster 1

Cluster 2

Cluster 3

Cluster 4

Cluster size (N)

2898

2301

2226

1315

Cont. variables (Mean ± SE)

Age (years)

41.3 ± 0.14

38.3 ± 0.19

39.9 ± 0.18

37.9 ± 0.26

Body mass index (kg/m2)

26.7 ± 0.09

23.9 ± 0.1

26 ± 0.11

23.6 ± 0.13

Haemoglobin (gm/dl)

12.5 ± 0.04

12.3 ± 0.04

12.1 ± 0.04

12.3 ± 0.06

Time to the water source (min)

0.1 ± 0.01

0.02 ± 0.01

0.09 ± 0.01

18.6 ± 0.39

Cat.variables

Value for cat. variables

Sex

Male

558 (19.25)

457 (19.86)

270 (12.13)

323 (24.56)

Female

2340 (80.75)

1844 (80.14)

1956 (87.87)

992 (75.44)

History of asthma

No

2737 (94.44)

2064 (89.7)

1999 (89.8)

1121 (85.25)

Yes

161 (5.56)

237 (10.3)

227 (10.2)

194 (14.75)

History of thyroid disorder

No

2636 (90.96)

2135 (92.79)

1992 (89.49)

1196 (90.95)

Yes

262 (9.04)

166 (7.21)

234 (10.51)

119 (9.05)

History of heart disease

No

2729 (94.17)

2107 (91.57)

1996 (89.67)

1174 (89.28)

Yes

169 (5.83)

194 (8.43)

230 (10.33)

141 (10.72)

History of cancer

No

2876 (99.24)

2272 (98.74)

2161 (97.08)

1246 (94.75)

Yes

22 (0.76)

29 (1.26)

65 (2.92)

69 (5.25)

Ever suffered from TB

No

2890 (99.72)

2287 (99.39)

2218 (99.64)

1305 (99.24)

Yes

8 (0.28)

14 (0.61)

8 (0.36)

10 (0.76)

Milk/curd intake freq.

Never

201 (6.94)

183 (7.95)

110 (4.94)

123 (9.35)

Weekly

461 (15.91)

551 (23.95)

293 (13.16)

405 (30.8)

Occasionally

611 (21.08)

669 (29.07)

447 (20.08)

291 (22.13)

Daily

1625 (56.07)

898 (39.03)

1376 (61.81)

496 (37.72)

Pulses/beans intake freq.

Never

13 (0.45)

17 (0.74)

18 (0.81)

9 (0.68)

Weekly

255 (8.8)

248 (10.78)

152 (6.83)

198 (15.06)

Occasionally

1263 (43.58)

937 (40.72)

936 (42.05)

574 (43.65)

Daily

1367 (47.17)

1099 (47.76)

1120 (50.31)

534 (40.61)

Green vegetables intake freq.

Never

7 (0.24)

12 (0.52)

10 (0.45)

9 (0.68)

Weekly

324 (11.18)

259 (11.26)

279 (12.53)

142 (10.8)

Occasionally

1000 (34.51)

796 (34.59)

792 (35.58)

483 (36.73)

Daily

1567 (54.07)

1234 (53.63)

1145 (51.44)

681 (51.79)

Fruit intake freq.

Never

50 (1.73)

65 (2.82)

74 (3.32)

41 (3.12)

Weekly

897 (30.95)

1148 (49.89)

872 (39.17)

750 (57.03)

Occasionally

1203 (41.51)

818 (35.55)

810 (36.39)

386 (29.35)

Daily

748 (25.81)

270 (11.73)

470 (21.11)

138 (10.49)

Egg intake freq.

Never

97 (3.35)

85 (3.69)

1983 (89.08)

41 (3.12)

Weekly

1005 (34.68)

963 (41.85)

153 (6.87)

520 (39.54)

Occasionally

1537 (53.04)

1100 (47.81)

80 (3.59)

678 (51.56)

Daily

259 (8.94)

153 (6.65)

10 (0.45)

76 (5.78)

Fish intake freq.

Never

222 (7.66)

106 (4.61)

2162 (97.12)

83 (6.31)

Weekly

994 (34.3)

1006 (43.72)

35 (1.57)

593 (45.1)

Occasionally

1210 (41.75)

987 (42.89)

20 (0.9)

563 (42.81)

Daily

472 (16.29)

202 (8.78)

9 (0.4)

76 (5.78)

Chicken/meat intake freq.

Never

53 (1.83)

58 (2.52)

2175 (97.71)

33 (2.51)

Weekly

1274 (43.96)

1150 (49.98)

32 (1.44)

640 (48.67)

Occasionally

1475 (50.9)

1032 (44.85)

18 (0.81)

612 (46.54)

Daily

96 (3.31)

61 (2.65)

1 (0.04)

30 (2.28)

Fried food intake freq.

Never

179 (6.18)

161 (7)

276 (12.4)

95 (7.22)

Weekly

1275 (44)

988 (42.94)

1114 (50.04)

631 (47.98)

Occasionally

1071 (36.96)

849 (36.9)

715 (32.12)

408 (31.03)

Daily

373 (12.87)

303 (13.17)

121 (5.44)

181 (13.76)

Aerated drink intake freq.

Never

512 (17.67)

475 (20.64)

409 (18.37)

262 (19.92)

Weekly

1579 (54.49)

1258 (54.67)

1200 (53.91)

744 (56.58)

Occasionally

597 (20.6)

449 (19.51)

497 (22.33)

236 (17.95)

Daily

210 (7.25)

119 (5.17)

120 (5.39)

73 (5.55)

Alcoholic

No

2627 (90.65)

2027 (88.09)

2171 (97.53)

1127 (85.7)

Yes

271 (9.35)

274 (11.91)

55 (2.47)

188 (14.3)

Smoker

No

2770 (95.58)

2192 (95.26)

2197 (98.7)

1234 (93.84)

Yes

128 (4.42)

109 (4.74)

29 (1.3)

81 (6.16)

Indoor smoking freq.

Never

1849 (63.8)

1138 (49.46)

1429 (64.2)

690 (52.47)

Weekly

222 (7.66)

264 (11.47)

176 (7.91)

129 (9.81)

Less than monthly

72 (2.48)

72 (3.13)

71 (3.19)

33 (2.51)

Monthly

78 (2.69)

72 (3.13)

68 (3.05)

36 (2.74)

Daily

677 (23.36)

755 (32.81)

482 (21.65)

427 (32.47)

Residence

Urban

1991 (68.7)

704 (30.6)

1131 (50.81)

368 (27.98)

Rural

907 (31.3)

1597 (69.4)

1095 (49.19)

947 (72.02)

Wealth index

Poorest

1 (0.03)

287 (12.47)

82 (3.68)

301 (22.89)

Poorer

8 (0.28)

519 (22.56)

154 (6.92)

285 (21.67)

Middle

151 (5.21)

698 (30.33)

245 (11.01)

339 (25.78)

Richer

882 (30.43)

698 (30.33)

523 (23.5)

280 (21.29)

Richest

1856 (64.04)

99 (4.3)

1222 (54.9)

110 (8.37)

Highest education level

No education

388 (13.39)

758 (32.94)

416 (18.69)

472 (35.89)

Primary level

347 (11.97)

373 (16.21)

303 (13.61)

240 (18.25)

Secondary level

1641 (56.63)

1006 (43.72)

1106 (49.69)

530 (40.3)

Higher level

522 (18.01)

164 (7.13)

401 (18.01)

73 (5.55)

Religion

Hindu

1822 (62.87)

1544 (67.1)

1947 (87.47)

975 (74.14)

Muslim

627 (21.64)

472 (20.51)

46 (2.07)

210 (15.97)

Christian

313 (10.8)

210 (9.13)

13 (0.58)

97 (7.38)

Others

136 (4.69)

75 (3.26)

220 (9.88)

33 (2.51)

Caste/tribe

OBC

1331 (45.93)

871 (37.85)

805 (36.16)

472 (35.89)

SC

384 (13.25)

517 (22.47)

328 (14.73)

343 (26.08)

ST

303 (10.46)

385 (16.73)

86 (3.86)

258 (19.62)

General

880 (30.37)

528 (22.95)

1007 (45.24)

242 (18.4)

Hypertensive

No

1594 (55)

1443 (62.71)

1281 (57.55)

849 (64.56)

Yes

1304 (45)

858 (37.29)

945 (42.45)

466 (35.44)

Possess refrigerator

No

131 (4.52)

2296 (99.78)

762 (34.23)

989 (75.21)

Yes

2767 (95.48)

5 (0.22)

1464 (65.77)

326 (24.79)

Possess bicycle

No

1503 (51.86)

1055 (45.85)

1013 (45.51)

617 (46.92)

Yes

1395 (48.14)

1246 (54.15)

1213 (54.49)

698 (53.08)

Possess motorbike

No

825 (28.47)

1590 (69.1)

734 (32.97)

884 (67.22)

Yes

2073 (71.53)

711 (30.9)

1492 (67.03)

431 (32.78)

Possess car/truck

No

2217 (76.5)

2226 (96.74)

1840 (82.66)

1273 (96.81)

Yes

681 (23.5)

75 (3.26)

386 (17.34)

42 (3.19)

Cooking fuel used

Other

1 (0.03)

4 (0.17)

0 (0)

1 (0.08)

Plant based

354 (12.22)

1018 (44.24)

437 (19.63)

723 (54.98)

Livestock based

47 (1.62)

297 (12.91)

211 (9.48)

104 (7.91)

Gas/oil

2460 (84.89)

965 (41.94)

1562 (70.17)

476 (36.2)

Electricity

36 (1.24)

17 (0.74)

16 (0.72)

11 (0.84)

Household structure

Non-nuclear

1310 (45.2)

1016 (44.15)

1120 (50.31)

564 (42.89)

Nuclear

1588 (54.8)

1285 (55.85)

1106 (49.69)

751 (57.11)

Possess livestock

No

2226 (76.81)

1155 (50.2)

1474 (66.22)

646 (49.13)

Yes

672 (23.19)

1146 (49.8)

752 (33.78)

669 (50.87)

Drinking water source

Unprotected sources

76 (2.62)

146 (6.35)

44 (1.98)

204 (15.51)

Protected sources

739 (25.5)

998 (43.37)

686 (30.82)

522 (39.7)

Community service

1991 (68.7)

1112 (48.33)

1448 (65.05)

508 (38.63)

Bottled water

86 (2.97)

43 (1.87)

46 (2.07)

77 (5.86)

Other

6 (0.21)

2 (0.09)

2 (0.09)

4 (0.3)