Table 2.

Multivariate regression analysis of the readability scores for the autoimmunity disorder-related Wikipedia pages.

Readability index	Parameter	B	SD	t statistic	P value
Gunning Fog Index
	Intercept	17.032	1.174	14.507	<.001
	Classic polygenic autoimmune disease (McGonagle classification)	0.310	0.781	0.397	.69
	Polygenic autoinflammatory disease (McGonagle classification)	0.225	0.852	0.264	.79
	Organ-specific versus systemic	–0.413	0.554	–0.746	.46
	Common versus rare	–0.508	0.627	–0.810	.42
	Age 0-20 years	–0.858	1.083	–0.792	.43
	Age 20-40 years	0.227	0.943	0.240	.81
	Age 40-60 years	–0.130	0.984	–0.132	.90
Coleman-Liau Index
	Intercept	15.162	0.849	17.852	<.001
	Classic polygenic autoimmune disease (McGonagle classification)	0.655	0.565	1.159	.26
	Polygenic autoinflammatory disease (McGonagle classification)	0.165	0.617	0.267	.79
	Organ-specific versus systemic	–0.858	0.401	–2.140	.04a
	Common versus rare	–0.335	0.453	–0.738	.47
	Age 0-20 years	–1.237	0.783	–1.579	.13
	Age 20-40 years	–0.304	0.682	–0.445	.66
	Age 40-60 years	–0.706	0.712	–0.992	.33
Flesch-Kincaid Grade Level
	Intercept	14.389	0.930	15.464	<.001
	Classic polygenic autoimmune disease (McGonagle classification)	0.832	0.619	1.343	.19
	Polygenic autoinflammatory disease (McGonagle classification)	0.729	0.676	1.079	.29
	Organ-specific versus systemic	–0.736	0.439	–1.674	.11
	Common versus rare	–0.395	0.497	–0.795	.43
	Age 0-20 years	–0.192	0.858	–0.224	.83
	Age 20-40 years	0.411	0.747	0.550	.59
	Age 40-60 years	–0.152	0.780	–0.195	.85
Automated Readability Index
	Intercept	13.365	1.058	12.636	<.001
	Classic polygenic autoimmune disease (McGonagle classification)	0.437	0.704	0.621	.54
	Polygenic autoinflammatory disease (McGonagle classification)	0.430	0.768	0.560	.59
	Organ-specific versus systemic	–0.445	0.500	–0.890	.38
	Common versus rare	–0.422	0.565	–0.748	.46
	Age 0-20 years	0.144	0.975	0.147	.88
	Age 20-40 years	0.553	0.849	0.651	.52
	Age 40-60 years	0.127	0.887	0.143	.89
Simple Measure of Gobbledygook
	Intercept	15.095	0.708	21.332	<.001
	Classic polygenic autoimmune disease (McGonagle classification)	0.310	0.471	0.658	.52
	Polygenic autoinflammatory disease (McGonagle classification)	0.303	0.514	0.589	.56
	Organ-specific versus systemic	–0.180	0.334	–0.539	.59
	Common versus rare	–0.170	0.378	–0.450	.66
	Age 0-20 years	–0.264	0.653	–0.404	.70
	Age 20-40 years	0.288	0.568	0.506	.62
	Age 40-60 years	–0.065	0.593	–0.110	.91
Flesch Reading Ease
	Intercept	22.710	5.227	4.344	<.001
	Classic polygenic autoimmune disease (McGonagle classification)	–6.342	3.479	–1.823	.08
	Polygenic autoinflammatory disease (McGonagle classification)	–4.004	3.796	–1.055	.30
	Organ-specific versus systemic	6.268	2.469	2.539	.02a
	Common versus rare	2.253	2.791	0.807	.43
	Age 0-20 years	5.976	4.821	1.240	.23
	Age 20-40 years	0.294	4.198	0.070	.95
	Age 40-60 years	3.941	4.383	0.899	.38

^aStatistically significant.