Table 1.

Associations between sociodemographic and disease-related variables and diagnostic delay (N: 2,652)

VariableDiagnostic Delay (years)
Mean ± SD
P-value
Age categories18-344.4 ± 5.5<0.001
35-517.9 ± 8.2
52-689.5 ± 10.2
>687.3 ± 9.7
GenderMale6.1 ± 7.4<0.001
Female8.2 ± 8.9
Education levelNo school completed8.0 ± 10.70.397
Primary school7.6 ± 8.9
High school7.6 ± 8.4
University7.3 ± 8.3
OccupationManual worker6.7 ± 8.30.163
Non-manual worker7.3 ± 8.4
Diagnosed by rheumatologistYes7.9 ± 8.7<0.001
No5.7 ± 7.3
HLA-B27Positive8.3 ± 8.30.775
Negative8.7 ± 9.0
Uveitis (ever)Yes8.0 ± 8.30.098
No7.6 ± 8.4
IBD (ever)Yes7.7 ± 8.70.944
No7.5 ± 8.5