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Table 1 Sociodemographic characteristics of the study sample (N = 2741)

From: Prevalence of smartphone addiction and its effects on subhealth and insomnia: a cross-sectional study among medical students

Variable

Category

Overall n (%)

Smartphone addiction n (%)

P value

No

Yes

Gender

Male

955 (34.8)

472 (49.4)

483 (50.6)

0.089

Female

1786 (65.2)

822 (46.0)

964 (54.0)

 

Age

 ≤ 20

1647(60)

788 (47.8)

859 (52.2)

0.413

 ≥ 21

1094(40)

506 (46.3)

588(53.7)

 

School year

1st year

487(17.8)

260 (53.4)

227 (46.6)

0.022

2nd year

786(28.7)

368 (46.8)

418 (53.2)

 

3rd year

646(23.6)

297 (46)

349 (54)

 

4th year

822(30)

369 (44.9)

453 (55.1)

 

Place of residence

Rural

1759(64.2)

816 (46.4)

943 (53.6)

0.404

Town

574(20.9)

274 (47.7)

300 (52.3)

 

City

408(14.9)

204 (50.0)

204 (50.1)

 

Want to get a scholarship

Yes

2516(91.8)

1192 (47.4)

1324 (52.6)

0.556

No

225(8.2)

102 (45.3)

123 (54.7)

 

Student leader

Yes

809(29.5)

395 (48.8)

414 (51.2)

0.273

No

1932(70.5)

899 (46.5)

1033 (53.5)

 

Only child

Yes

916(33.4)

462 (50.4)

454 (49.6)

0.016

No

1825(66.6)

832 (45.6)

993 (54.4)

 

In love

Yes

682(24.9)

325 (47.7)

357 (52.3)

0.788

No

2059(75.1)

969 (47.1)

1090 (52.9)

 

School satisfaction

No

186 (6.8)

65 (34.9)

121(65.1)

0.000

General

1263(46.1)

546(43.2)

717 (56.8)

 

Yes

1292(47.1)

683(52.9)

609(47.1)

 

Do you like to study the medical specialty

No

139(5.1)

47(33.8)

92(66.2)

0.000

General

1081 (39.4)

448(41.4)

633(58.6)

 

Yes

1521 (55.5)

799(52.5)

722(47.5)

 

Smoking

Yes

99 (3.6)

34(34.3)

65(65.7)

0.009

No

2642 (96.4)

1260(47.7)

1382(52.3)

 

Alcohol consumption

Yes

232 (8.5)

79(34.1)

153(65.9)

0.000

No

2509 (91.5)

1215(48.4)

1294(51.6)

 

Bring your phone to bed

Yes

1910 (69.7)

811(42.5)

1099(57.5)

0.000

No

831 (30.3)

483(58.1)

348(41.9)

 

Hours of daily smartphone usage

 ≤ 1 h

73 (2.6)

35 (47.9)

38 (52.1)

0.000

2 h

153 (5.6)

101(66.0)

52(34.0)

 

3 h

463 (16.9)

264 (57.0)

199 (43.0)

 

4 h

555 (20.2)

294 (53.0)

261 (47.0)

 

5 h

568 (20.7)

280 (49.3)

288 (50.7)

 

 ≥ 6 h

929 (33.9)

320(34.40

609(65.6)

 

Self-perceived smartphone addiction

Yes

753 (27.5)

161(21.4)

592(78.6)

0.000

No

1433 (52.3)

912(63.6)

521(36.4)

 

Not sure

555 (20.2)

221(39.8)

334(60.2)

 
  1. *p < 0.05, ** p < 0.01