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Table 2 Relationship between bacterial isolate numbers and different parameters

From: Pathogenic microbes contaminating mobile phones in hospital environment in Northeast India: incidence and antibiotic resistance

No. of bacterial isolates

Factors

No growth

Growth per mobile phonea

Total no. of isolatesb

p value

OR

CI

No. (%)

No. (%)

No. (%)

Gender

 Male

17 (53.12)

15 (46.88)

19 (33.33)

0.680

1.194

0.515–2.769

 Female

38 (55.88)

30 (44.12)

38 (66.67)

Occupation

 HCW

26 (76.47)

08 (23.53)

10 (17.54)

0.001

4.694

1.848–11.922

 Non-HCW

27 (40.90)

39 (59.10)

47 (82.46)

Mobile cleaning

 Yes

13 (56.52)

10 (43.48)

15 (26.32)

Reference

3.756

1.240–11.373

 Never

39 (50.65)

38 (49.35)

42 (73.68)

0.019

Use of mobile in the toilet

 Never

09 (50.00)

09 (50.00)

11 (19.30)

Reference

1.202

0.471–3.072

 Yes

43 (52.44)

39 (47.56)

46 (80.70)

0.700

Wards/Units

 Surgical ward

10 (66.67)

05 (33.33)

07 (12.28)

Reference

  

 Pathology unit

08 (88.89)

01 (11.11)

01 (1.75)

0.246

0.250

0.024–2.594

 Microbiology unit

03 (60.00)

02 (40.00)

02 (3.51)

0.787

1.333

0.165–10.743

 Blood bank unit

03 (75.00)

01 (25.00)

01 (1.75)

0.751

0.667

0.054–8.161

 Medical ward

05 (45.45)

06 (54.55)

07 (12.28)

0.284

2.400

0.484–11.891

 ENT ward

03 (27.27)

08 (72.73)

13 (22.81)

0.055

5.333

0.968–29.393

 K ward

03 (75.00)

01 (25.00)

01 (1.75)

0.751

0.667

0.054–8.161

 Gynaecology ward

14 (43.75)

18 (56.25)

20 (35.10)

0.148

2.571

0.714–9.255

 Orthopaedic ward

04 (44.44)

05 (55.56)

05 (8.77)

0.290

2.500

0.458–13.649

  1. References represent the variable against which the tested factors were compared
  2. OR odds ratio, is a measure of association between an exposure and an outcome; CI confidence interval, indicates a measurement precision. Narrow CI indicates high precision; Wide CI indicates low precision; p value, the probability of finding the observed results when the null hypothesis is true (indicates significance < 0.05); ENT ears, nose and throat; K ward substance abuse ward
  3. aGrowth observed per individual’s mobile phone
  4. bTotal no. of bacterial isolates from each individual’s mobile phone (includes > 1 organism per mobile phone)