Table 3.
Test group 1 (Internet-Internet), test-retest reliability for running habits, injuries, and general health.
| Test-retest reliability | n | Number of response options | Kappa (A-symp SE) | |
| Running habits and injuries |
|
|
|
|
|
|
How many years have you been running on a regular basis? Regular is defined as at least weekly. | 20 | 11 | .791 (.100) |
|
|
On average, how many kilometer per week would you run? | 20 | 7 | .684 (.119) |
|
|
What type of terrain is the majority of your running performed on? | 20 | 7 | .863 (.088) |
|
|
In the last 2 years, have you participated in any other sports or intentional exercise on a regular basis (eg, weekly during at least one season)? | 20 | 2 | .773 (.216) |
|
|
In the last 2 years, have you had any injuries of the lower limbs, which have forced you to discontinue running for a period of 2 weeks or more? | 20 | 2 | >.99 |
|
|
If yes, how many lower limb injuries have you been diagnosed with in the last 2 years? | 12a | 4 | >.99 |
|
|
Was the injury diagnosed by a professional doctor? | 11b | 2 | .820 (.169) |
|
|
Was the injury diagnosed by a professional physiotherapist? | 8c | 2 | .467 (.323) |
|
|
Was the injury an Achilles tendon injury? | 12a | 2 | .625 (.333) |
|
|
Was the injury a bone stress injury below the knee? | 12a | 2 | >.99 |
|
|
Have you ever had hip, knee, or ankle surgery? | 20 | 2 | .857 (.138) |
|
|
While running do you wear orthotics? | 20 | 2 | >.99 |
| General health |
|
|
|
|
|
|
Have you ever smoked cigarettes? | 19d | 2 | >.99 |
|
|
To your knowledge, have you ever been treated using quinolone antibiotics (eg, ciprofloxacin, norfloxacin)? |
20 |
3 | .468 (.174) |
|
|
To your knowledge, have you ever been treated using corticosteroid medication? |
20 |
3 | .492 (.165) |
|
|
To your knowledge, have you ever been treated using calcium tablets as prescribed by a medical doctor or taken it without a prescription? | 20 | 3 | .886 (.110) |
|
|
To your knowledge, have you ever been treated using vitamin D supplementation as prescribed by a medical doctor or taken it without prescription? | 20 | 3 | >.99 |
|
|
Do you follow a gluten-free diet? | 20 | 2 | >.99 |
|
|
Do you have any food allergies or avoidances? | 20 | 2 | >.99 |
an=20; valid=12; excluded=8
bn=20; valid=11; excluded=9
cn=20; valid=8; excluded=12
dn=20; valid=19; excluded=1