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. 2011 Jun 13;11:467. doi: 10.1186/1471-2458-11-467

Table 2.

Workplace hygiene status of exposed versus un-exposed workplaces

Workplace Description Ranks Painters group * (n = 20) Mechanics group * (n = 20) Control group * (n = 20) P-value a P-value b
Mechanical Exhaust System
Good 0 (0) 0 (0) 3 (15) P < 0.027 P < 0.027
Satisfactory 1 (5) 1 (5) 5 (25)
Poor 19 (95) 19 (95) 12 (10)
Workplace Ventilation
Good 0 (0) 0 (0) 2 (10) P < 0.001 P < 0.001
Satisfactory 3 (15) 5 (25) 16 (80)
Poor 17 (85) 15 (75) 2 (10)
Sunlight Penetration
Good 0 (0) 0 (0) 11 (55) P < 0.001 P < 0.001
Satisfactory 20 (100) 16 (80) 7 (35)
Poor 0 (0) 4 (20) 2 (10)
Workplace Overall Hygiene
Good 0 (0) 0 (0) 16 (80) P < 0.001 P < 0.001
Satisfactory 1 (5) 3 (15) 4 (20)
Poor 19 (95) 17 (85) 0 (0)

* Frequency (% of total)

** Chi-square P-values

a Car-spray painters v/s Control

b Mechanics v/s Control