Table 4.

Kappa values for prednisone among women with rheumatoid arthritis and albuterol among women with asthma by maternal characteristics.

Characteristics	N (%)	K (95% CI)	% Agreement
Rheumatoid Arthritis, n=216
Enrollment During 1st Trimester	100 (46.3)	0.45 (0.30, 0.60)	38.4
Enrollment After 1st Trimester	116 (53.7)	0.42 (0.25, 0.58)	32.9
Maternal Age ≤30	71 (32.9)	0.40 (0.20, 0.59)	22.7
Maternal Age >30	145 (67.1)	0.46 (0.32, 0.59)	48.6
Primiparous	101 (46.8)	0.44 (0.29, 0.60)	33.3
Multiparous	115 (53.2)	0.43 (0.28, 0.59)	38.0
Body Mass Index of <25 kg/m2	135 (62.5)	0.43 (0.29, 0.56)	44.0
Body Mass Index of ≥25 kg/m2	81 (37.5)	0.45 (0.27, 0.64)	27.3
Health Assessment Disability Index Score at Enrollment <0.25	99 (45.8)	0.35 (0.17, 0.53)	32.4
Health Assessment Disability Index Score at Enrollment ≥0.25	117 (54.2)	0.46 (0.31, 0.60)	38.9
Asthma, n=172
Enrollment During 1st Trimester	108 (62.8)	0.27 (0.02, 0.51)	25.6
Enrollment After 1st Trimester	64 (37.2)	0.19 (0.02, 0.35)	39.0
Maternal Age ≤30	59 (34.3)	0.14 (−0.08, 0.37)	20.9
Maternal Age >30	113 (65.7)	0.25 (0.08, 0.42)	43.6
Primiparous	104 (60.5)	0.22 (0.04, 0.40)	40.1
Multiparous	68 (39.5)	0.20 (−0.01, 0.41)	24.4
Body Mass Index of <25 kg/m2	84 (48.8)	0.14 (−0.05, 0.33)	29.7
Body Mass Index of ≥25 kg/m2	88 (51.2)	0.29 (0.09, 0.48)	34.9
Asthma Control Test Score at Enrollment <20	49 (28.5)	0.12 (−0.09, 0.33)	19.8
Asthma Control Test Score at Enrollment ≥20	117 (68.0)	0.17 (0.00, 0.34)	41.3

Abbreviation: Κ, kappa; CI, confidence interval.