Table 5.

Effect of diabetes mellitus and obesity on patients‐reported outcome measures and subscale using MANCOVA.

Condition	Dependent variables	F‐value	p	Partial η 2
Diabetes mellitus	COMI‐Neck core index	0.39	0.535	0.005
[df: 1, 86]	NDI score	<0.01	0.989	<0.001
	EQ‐5D‐3L	0.72	0.399	0.009
	SF‐12v2: PCS	<0.01	0.986	<0.001
	SF‐12v2: MCS	0.79	0.378	0.009
	SF‐12v2: RCS	0.85	0.360	0.010
Obesity	COMI‐Neck core index	0.03	0.957	<0.001
[df: 1, 86]	ODI score	0.04	0.853	<0.001
	EQ‐5D‐3L	0.07	0.797	0.001
	SF‐12v2: PCS	3.40	0.069	0.040
	SF‐12v2: MCS	0.05	0.829	0.001
	SF‐12v2: RCS	0.88	0.351	0.011
DM and obesity	COMI‐Neck core index	0.77	0.383	0.009
[df: 1, 86]	ODI score	0.53	0.470	0.006
	EQ‐5D‐3L	0.10	0.748	0.001
	SF‐12v2: PCS	0.70	0.404	0.009
	SF‐12v2: MCS	0.15	0.702	0.002
	SF‐12v2: RCS	0.46	0.501	0.006

Note: The MANCOVA results indicate a significant overall effect for PROMs (DM: Wilk's Λ = 0.947, partial η ² = 0.053, p = 0.640, obesity: Wilk's Λ = 0.942, partial η ² = 0.058, p = 0.579, DM and obesity: Wilk's Λ = 0.972, partial η ² = 0.028, p = 0.894).