Table 2.

Correlation between LDPE thickness and release rate of bacterial volatiles as determined by weight loss of the LDPE sachets.

			Exponential regression parameters A + B*(RX)
	R2	P-value	A	B	R
1-butanol	12.8	0.06	0.00036	0.0200	5.22E-18
2,3-butanedione	64.3	<0.001	0.00387	0.0975	5.28E-13
2-methyl-1-butanol	_1	0.46	-0.00042	0.0052	1.49E-12
2-methylbutanal	31.7	<0.01	0.00709	0.0595	6.96E-13
2-methylbutanoic acid	2.6	0.26	0.01020	9.585E-19	6.275E+79
3-hydroxy-2-butanone	58.7	<0.001	0.000242	0.0122	1.27E-19
3-methyl-1-butanol	61.7	<0.001	0.0003722	8.561	2.307-125
3-methylbutanal	33.8	<0.001	0.00745	0.0495	2.88E-11
3-methylbutanoic acid	_1	0.85	0.01007	3.244E-19	5.125E+79
2-phenylethanol	35.3	0.001	0.001333	3.12E-19	6.80E+80

The release rate of each compound (Y, g/night) was fitted by an exponential regression model (A + B*(R^X); X = LDPE thickness, mm) [26]. R² = coefficient of determination.

¹Residual variance exceeds variance of response variate.