Multidisciplinary Respiratory Medicine

Table 6 Pearson correlation coefficients between indoor bacterial concentration & physical indoor air quality parameters in public primary schools of Gondar city, Northwest Ethiopia, 2018. (n = 51)

From: Indoor bacterial load and its correlation to physical indoor air quality parameters in public primary schools

Variables	Bacteria	CO₂	T (^°C)	RH (%)	PM2.5	PM10
Morning
Bacteria	1.00
CO₂	0.1049	1.00
T ^°C	0.0007	−0.0928	1.00
RH%	−0.7034^a	0.2237	−0.0839	1.00
PM2.5	0.5723^a	0.2226	−0.0767	− 0.3634^a	1.00
PM10	0.6856^a	0.1573	−0.0762	−0.5493^a	0.9447^a	1.00
Afternoon
Bacteria	1.00
CO₂	−0.1641	1.00
T ^°C	0.3838^a	−0.1820	1.00
RH%	−0.4014^a	0.4510^a	−0.8420^a	1.00
PM2.5	−0.1100	0.6676^a	−0.2036	0.4368^a	1.00
PM10	0.1856	0.5418^a	0.2903^a	−0.0771	0.4460^a	1.00

N.B = ^a Correlation is significant at the 0.05 level; Carbon dioxide, (ppm); Temperature, T (°C); Relative humidity, RH (%); concentration of particulate matter PM10 and PM2.5 (μg/m³)

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ISSN: 2049-6958

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