Table II.

Gender‐ and Respiratory‐Symptom‐Specific Best Fitted Parameters (Mean with 95% CI) in Weibull Dose‐Response Function

Respiratory Symptom	Best Fitted Parametersa
	k0	k1	k2	k3	r 2
Femaleb
Cough	5.70 × 10−7	1.38	3.18 × 10−3	0.40	0.82
	(−2.25 to 3.38 × 10−6)	(0.68 to 2.09)	(0.001 to 0.005)	(0.25 to 0.55)
Chest sounds	1.63 × 10−6	1.00	1.15 × 10−3	0.68	0.71
	(−9.83 to 13.08 × 10−6)	(0.01 to 1.99)	(−4 × 10−5 to −0.002)	(0.44 to 0.92)
Shortness of breath	2.81 × 10−3	0.26	−6.09 × 10−3	0.59	0.93
	(−0.008 to 0.013)	(−0.16 to 0.67)	(−0.02 to 0.01)	(−0.39 to 0.79)
Weakness	1.02 × 10−5	1.00	1.34 × 10−3	0.59	0.93
	(−1.44 to 3.48 × 10−5)	(0.66 to 1.33)	(6 × 10−5 to 0.003)	(0.46 to 0.73)
Maleb
Cough	7.77 × 10−12	3.13	7.26 × 10−3	0.40	0.89
	(−6.14 to 7.69 × 10−11)	(1.84 to 4.41)	(0.003 to 0.011)	(0.26 to 0.53)
Chest sounds	2.02 × 10−3	0.12	−1.64 × 10−3	0.70	0.78
	(−0.02 to 0.02)	(−0.55 to 0.79)	(−0.02 to 0.02)	(0.49 to 0.91)
Shortness of breath	3.17 × 10−3	0.10	−3.75 × 10−3	0.80	0.89
	(−0.03 to 0.04)	(−0.61 to 0.82)	(−0.04 to 0.03)	(0.54 to 1.05)
Weakness	7.50 × 10−8	1.66	1.62 × 10−3	0.56	0.83
	(−3.50 to 5.00 × 10−7)	(0.86 to 2.47)	(−5 × 10−6 to 0.003)	(0.34 to 0.78)

^aWeibull dose‐response function: .

^bData were adopted from Guha Mazumder et al. ^{( 14 )}