Table II. Risk factors for developing FSE compared with complex FS.

Factor	FSE N (%)	Complex FS N (%)	Univariate OR (95% CI)	Multivariate OR (95% CI)
Age
<18 mo	107 (63.31%)	27 (60.00%)	1.15 (0.6,2.3)
≥18 mo	62 (36.69%)	18 (40.00%)	1.0 (Referent)
Daycare attendance
Daycare	32 (19.51%)	3 (6.82%)	3.31 (1.0,11.4)	3.0 (0.7,13.4)
No daycare	132 (80.49%)	41 (93.18%)	1.0 (Referent)	1.0 (Referent)
Drinking during pregnancy
At least 1 drink in pregnancy	10 (6.29%)	0 (0%)	NA
No drink in pregnancy	149 (93.71%)	45 (100.00%)	1.0 (Referent)
First-degree family history of FS
Positive family history	42 (25.00%)	9 (20.00%)	1.33 (0.6,3.0)
No family history	126 (75.00%)	36 (80.00%)	1.0 (Referent)
First-degree family history of epilepsy
Positive family history	22 (13.10%)	1 (2.22%)	6.63 (0.9,50.6)
No family history Cpv	146 (86.90%)	44 (97.78%)	1.0 (Referent)
Sex
Female	87 (51.48%)	22 (48.89%)	1.11 (0.6,2.1)
Male	82 (48.52%)	23 (51.11%)	1.0 (Referent)
Premature birth
≤ 37 wk	46 (29.11%)	8 (17.78%)	1.90 (0.8,4.4)
>37 wk	112 (70.89%)	37 (82.22%)	1.0 (Referent)
Smoking during pregnancy
No	139 (82.25%)	38 (84.44%)	1.0 (Referent)
Yes	30 (17.75%)	7 (15.56%)	1.17 (0.5,2.9)
Any temporal lobe abnormality other   than increased T2 signal
Abnormal	21 (13.04%)	5 (12.82%)	1.02 (0.4, 2.9)
No abnormality	140 (86.96%)	34 (87.18%)	1.0 (Referent)
Any structural abnormality on MRI
Abnormal	60 (37.27%)	16 (41.03%)	0.85 (0.4,1.7)	1.3 (0.5, 3.1)
No abnormality	101 (62.73%)	23 (58.97%)	1.0 (Referent)	1.0 (Referent)
Temperature
<104.0°F	136 (80.95%)	27 (60.00%)	2.83 (1.4, 5.8)	3.6 (1.5, 8.5)
≥104.0°F	32 (19.05%)	18 (40.00%)	1.0 (Referent)	1.0 (Referent)
Time temperature was recognized before seizure
1-24 h	139 (82.25%)	21 (46.67%)	3.07 (1.4, 6.9)	3.4 (1.4, 8.4)
<1 h	28 (16.57%)	13 (28.89%)	1.0 (Referent)	1.0 (Referent)
>24 h	2 (1.18%)	11 (24.44%)	0.08 (0.0, 0.4)	0.1 (0.0, 0.5)