Table 8. Maximal exercise capacity and major risk factors (General Linear Modeling).

	LSMean	SE	95%LL	95%UL	N	P
Gestational age (weeks)						<0.001
≤27	271	6	258	283	56
28–31	282	2	278	287	726
32–36	289	1	287	292	9,93
37–41	294	1	291	296	182,49
≥42	296	1	293	298	25,618
Birth Weight SDS						<0.001
<−2	269	2	266	273	7,052
−2 to −1	277	2	273	280	35,747
−1 to 1	287	2	284	291	147,819
1 to 2	297	2	293	301	22,970
>2	301	2	297	305	5,232
Parental education						<0.001
Post-graduate	292	2	288	296	2,838
Post-secondary ≥3 years	293	2	290	297	41,479
Post-secondary <3 years	292	2	288	295	36,947
Upper secondary 3 years	287	2	284	291	31,989
Upper secondary ≤2 years	285	2	281	289	59,986
Primary/secondary 9–10 years	282	2	278	285	24,511
Primary/secondary <9 years	276	2	272	280	12,247
Unspecified	283	2	279	287	8,823
Body Mass Index (BMI intervals)						<0.001
<18	235	2	232	239	6,400
18–25	291	2	288	295	180,691
25–30	310	2	307	314	26,824
30–35	301	2	297	305	4,225
>35	294	3	289	298	680

Adjusted results expressed as Least Square Mean (LS Mean). SDS = Standard Deviation Score.