Table 1. Description of cases with gestational diabetes mellitus and the controls without gestational diabetes mellitus.

	Cases (n = 291)	Controls (n = 1175)	p Value
Age (Mean; SD) (Years)	33.50; SD = 5.5	29.80; SD = 5.1	<0.001
<25	18 (6.2)	178 (15.2)
25–29	49 (16.8)	345 (29.4)
30–34	91 (31.3)	436 (37.1)
≥35	133 (45.7)	216 (18.3)
Education			0.140
University	80 (27.5)	358 (30.5)
Secondary	74 (25.4)	339 (28.8)
Primary	137 (47.1)	478 (40.7)
Employment			<0.001
Work outside the home	94 (32.4)	558 (47.5)
Unemployment	24 (8.3)	84 (7.2)
Sick leave in pregnancy	61 (21.0)	105 (8.9)
Retired	2 (0.7)	6 (0.5)
Housewife	109 (37.6)	421 (35.9)
Antecedents of Diabetes Mellitus	135 (46.4)	300 (25.5)	<0.001
Previous Gestational Diabetes Mellitus	58 (19.9)	23 (1.9)	<0.001
Gravidity			<0.001
0	106 (36.4)	555 (47.2)
1	89 (30.6)	365 (31.1)
2	57 (19.6)	168 (14.3)
3	22 (7.6)	61 (5.2)
≥4	17 (5.8)	26 (2.2)
Parity			<0.001
0	146 (50.2)	631 (53.7)
1	85 (29.2)	416 (35.4)
2	42 (14.4)	108 (9.2)
≥3	18 (6.2)	20 (1.7)
Miscarriage			<0.001
0	201 (69.1)	933 (79.4)
1	69 (23.7)	199 (16.9)
≥2	21 (7.2)	43 (3.7)
History of macrosomia	10 (3.4)	37 (3.1)	0.062
Body Mass Index (kg/m²) (Mean; SD)	27.62; SD = 6.2	24.22; SD = 4.5	<0.001
18.5–24.9	117 (40.2)	789 (67.2)
25–29.9	83 (28.5)	268 (22.8)
≥30	91 (31.8)	118 (10.0)
Smoking			0.161
Never	110 (37.8)	504 (42.9)
Ex-smoker	73 (25.1)	242 (20.6)
Current smoker	108 (37.1)	429 (36.5)

I studiets tabel 1 ses, at gennemsnitligt BMI blandt cases var 27,6 og blandt kontroller, 24,2. Hvad er korrekt at slutte ud fra dette?

B10 Eksamen — F25