Table 2.

Factor analyses

		Factor loadings
	GHD-CTB–Child and GHD-CTB–Observer	Factor 1	Factor 2	Factor 3
Emotional Well-being	CTB12 How often unhappy about how often take shots	0.808	0.163	0.024
	CTB10 How often scared about getting shots	0.794	0.103	0.263
	CTB06 How often worried about getting shots	0.748	0.123	0.301
	CTB07 How often worried about shots hurting	0.745	0.081	0.374
	CTB11 How often annoyed by shots	0.739	0.164	0.029
	CTB13 How often feel bothered different	0.486	0.421	0.015
Interference	CTB16 How often need to change plans because of shots	0.168	0.829	0.154
	CTB17 How often shots interrupt wanted to do	0.053	0.770	0.176
	CTB15 How often miss doing things because of shots	0.185	0.727	-0.092
	CTB08 How often worried about remembering to take	0.038	0.521	0.282
Physical	CTB04 How much bruising	0.186	0.097	0.775
	CTB05 How much soreness	0.153	0.316	0.768
	CTB02 How much shots sting	0.507	0.059	0.525
	CTB01 How much shots hurt	0.610	0.015	0.512

	GHD-PTB	Factor 1	Factor 2
Emotional Well-being	PTB18 Worry causing your child pain when giving the injection	0.801	0.099
	PTB20 Worry doing the injection correctly	0.745	0.149
	PTB25 Often sad about your child needing injections	0.696	− 0.026
	PTB24 Often frustrated with your child's behavior related to injections	0.642	0.083
	PTB19 Worry remembering to give the injection	0.574	0.352
Interference	PTB26 Often interfere with your social life	0.086	0.834
	PTB27 Often interfere with your travel plans	0.030	0.806
	PTB28 Often interfere with your daily routine	0.207	0.768

CTB Child Treatment Burden, GHD-CTB–Child Growth Hormone Deficiency–Child Treatment Burden Measure–Child, GHD-CTB–Observer Growth Hormone Deficiency–Child Treatment Burden Measure–Observer, GHD-PTB Growth Hormone Deficiency–Parent Treatment Burden Measure, PTB Parent Treatment Burden