Table 2 The 79 items remaining in the calibrated item bank. The items remaining in the calibrated item bank. The number of respondents, to whom the item was offered (Offered to), the number responding in the category 'not applicable' (NA), the number responding in the category 'can' (can) and the number responding in the category 'cannot' (cannot) are given. The discrimination (β) and difficulty (β) parameters are given along with their standard errors in parentheses.
Description of item content | Offered to | Item response category | Location parameter (β) | Discrimination parameter (α) | ||||
|---|---|---|---|---|---|---|---|---|
| Â | Â | NA | can | cannot | Â | Â | Â | Â |
Walking up stairs with a bag | 262 | 0 | 19 | 243 | -3.607 | (2.404) | 1.122 | (0.892) |
Mopping a flight of stairs | 262 | 5 | 16 | 241 | -2.830 | (1.708) | 0.447 | (0.411) |
Cleaning the top of a high cupboard | 281 | 2 | 27 | 252 | -2.816 | (1.946) | 0.480 | (0.393) |
Cleaning a bathroom | 293 | 1 | 37 | 255 | -2.621 | (2.061) | 0.323 | (0.338) |
Vacuuming | 274 | 0 | 33 | 241 | -2.408 | (1.844) | 0.287 | (0.280) |
Going for a walk in the woods | 281 | 0 | 31 | 250 | -2.343 | (1.636) | 0.362 | (0.340) |
Fetching groceries for 3–4 days | 293 | 0 | 36 | 257 | -2.262 | (1.623) | 0.353 | (0.343) |
Mopping the floor | 281 | 2 | 41 | 238 | -2.225 | (1.902) | 0.339 | (0.374) |
Caring for plants on a balcony | 262 | 1 | 32 | 229 | -2.108 | (1.616) | 0.314 | (0.325) |
Travelling by bus or tram | 281 | 0 | 44 | 237 | -2.093 | (1.835) | 0.308 | (0.370) |
Walking up two flights of stairs | 274 | 0 | 39 | 235 | -1.921 | (1.532) | 0.277 | (0.298) |
Cleaning a fridge | 293 | 2 | 64 | 227 | -1.406 | (1.464) | 0.171 | (0.236) |
Going to a restaurant | 293 | 3 | 60 | 230 | -1.335 | (1.238) | 0.159 | (0.188) |
Carrying a tray | 281 | 1 | 75 | 205 | -1.304 | (1.774) | 0.222 | (0.326) |
Going for a long walk (15+ minutes) | 281 | 0 | 72 | 209 | -1.290 | (1.629) | 0.178 | (0.277) |
Going to the dentist | 293 | 18 | 75 | 200 | -1.283 | (1.881) | 0.205 | (0.299) |
Sweeping the floor | 262 | 1 | 70 | 191 | -1.239 | (1.902) | 0.196 | (0.313) |
Cutting toe nails | 262 | 0 | 45 | 217 | -1.175 | (0.786) | 0.136 | (0.144) |
Walking up a hill or bridge | 281 | 3 | 73 | 205 | -1.133 | (1.425) | 0.137 | (0.198) |
Walking up one flight of stairs | 274 | 2 | 67 | 205 | -1.127 | (1.382) | 0.155 | (0.222) |
Going to a concert | 262 | 0 | 57 | 205 | -0.996 | (0.860) | 0.113 | (0.128) |
Going to the pharmacist | 262 | 2 | 75 | 185 | -0.976 | (1.572) | 0.131 | (0.201) |
Hanging a load of washing out | 293 | 10 | 84 | 199 | -0.960 | (1.514) | 0.144 | (0.240) |
Going to the post office or bank | 274 | 0 | 88 | 186 | -0.948 | (1.881) | 0.151 | (0.248) |
Going to a party | 281 | 1 | 69 | 211 | -0.924 | (0.878) | 0.109 | (0.129) |
Filling an official form in | 281 | 1 | 68 | 212 | -0.896 | (0.790) | 0.106 | (0.119) |
Using a washing machine | 281 | 6 | 95 | 180 | -0.851 | (1.743) | 0.153 | (0.244) |
Visiting an outpatients' clinic | 293 | 0 | 95 | 198 | -0.815 | (1.317) | 0.112 | (0.161) |
Taking bottles to the bottle bank | 281 | 5 | 108 | 168 | -0.675 | (1.840) | 0.153 | (0.312) |
Short walk (less than 15 minutes) | 274 | 0 | 95 | 179 | -0.645 | (1.358) | 0.108 | (0.166) |
Putting a rubbish bag outside | 293 | 5 | 108 | 180 | -0.573 | (1.338) | 0.116 | (0.198) |
Reaching into a high cupboard | 274 | 0 | 95 | 179 | -0.569 | (1.097) | 0.099 | (0.172) |
Using a dustpan and brush | 262 | 2 | 103 | 157 | -0.537 | (1.865) | 0.135 | (0.335) |
Opening and closing a high window | 281 | 0 | 140 | 141 | -0.078 | (1.290) | 0.096 | (0.166) |
Fetching groceries for one day | 262 | 0 | 128 | 134 | -0.043 | (1.373) | 0.099 | (0.184) |
Using a public toilet | 293 | 5 | 159 | 129 | 0.139 | (1.835) | 0.110 | (0.241) |
Putting flowers in a vase | 293 | 2 | 162 | 129 | 0.169 | (1.787) | 0.107 | (0.240) |
Frying an egg | 281 | 3 | 154 | 124 | 0.178 | (1.982) | 0.115 | (0.261) |
Warming up a tin of soup | 293 | 1 | 164 | 128 | 0.203 | (1.919) | 0.113 | (0.232) |
Cleaning a toilet | 262 | 0 | 149 | 113 | 0.308 | (1.528) | 0.105 | (0.203) |
Putting socks and lace up shoes on | 281 | 1 | 167 | 113 | 0.314 | (1.165) | 0.093 | (0.157) |
Changing the bulb in a table light | 281 | 1 | 177 | 103 | 0.533 | (1.541) | 0.116 | (0.174) |
Cleaning a bathroom sink | 281 | 5 | 170 | 106 | 0.564 | (2.089) | 0.126 | (0.302) |
Cutting finger nails | 262 | 0 | 168 | 94 | 0.605 | (1.337) | 0.114 | (0.173) |
Rubbing lotion into whole body | 262 | 4 | 164 | 94 | 0.627 | (1.469) | 0.115 | (0.184) |
Reaching into a low cupboard | 274 | 0 | 184 | 90 | 0.672 | (1.131) | 0.106 | (0.152) |
Picking something up off the floor | 262 | 0 | 172 | 90 | 0.712 | (1.466) | 0.129 | (0.198) |
Making porridge | 293 | 2 | 191 | 100 | 0.714 | (1.704) | 0.119 | (0.216) |
Getting in and out of a car | 281 | 3 | 185 | 93 | 0.738 | (1.656) | 0.132 | (0.209) |
Shaking a tablecloth out | 274 | 2 | 190 | 82 | 0.906 | (1.438) | 0.125 | (0.204) |
Making a bed | 281 | 0 | 193 | 88 | 1.003 | (2.028) | 0.152 | (0.292) |
Preparing breakfast or lunch | 262 | 1 | 186 | 75 | 1.117 | (1.729) | 0.169 | (0.279) |
Using the lift in a public building | 262 | 2 | 199 | 61 | 1.208 | (1.299) | 0.158 | (0.186) |
Putting an alarm clock right | 281 | 4 | 216 | 61 | 1.319 | (1.431) | 0.165 | (0.199) |
Pulling a blanket up | 293 | 0 | 253 | 40 | 1.485 | (0.898) | 0.167 | (0.149) |
Visiting the neighbours | 293 | 1 | 231 | 61 | 1.548 | (1.685) | 0.221 | (0.252) |
Travelling as a passenger in a car | 274 | 3 | 230 | 41 | 1.592 | (1.126) | 0.222 | (0.192) |
Shaving face or applying make up | 274 | 1 | 233 | 40 | 1.593 | (1.075) | 0.180 | (0.164) |
Watering a house plant | 262 | 3 | 204 | 55 | 1.600 | (1.681) | 0.226 | (0.259) |
Opening and closing a window | 262 | 0 | 201 | 61 | 1.735 | (2.137) | 0.246 | (0.343) |
Putting trousers on | 293 | 2 | 224 | 67 | 1.821 | (2.372) | 0.295 | (0.406) |
Making coffee or tea | 293 | 0 | 235 | 58 | 1.832 | (1.936) | 0.237 | (0.290) |
Peeling an apple | 281 | 1 | 233 | 47 | 1.859 | (1.631) | 0.226 | (0.219) |
Making a bowl of cereal | 281 | 1 | 225 | 55 | 1.860 | (1.921) | 0.222 | (0.256) |
Eating a meal at the table | 293 | 0 | 255 | 38 | 2.081 | (1.509) | 0.253 | (0.225) |
Hanging clothes up in a cupboard | 262 | 0 | 203 | 59 | 2.105 | (2.595) | 0.344 | (0.481) |
Opening and closing curtains | 262 | 0 | 216 | 46 | 2.129 | (1.958) | 0.366 | (0.357) |
Moving between two dining chairs | 281 | 0 | 237 | 44 | 2.214 | (1.905) | 0.389 | (0.375) |
Putting a scarf and gloves on | 293 | 1 | 259 | 33 | 2.364 | (1.617) | 0.306 | (0.246) |
Making a cheese sandwich | 281 | 1 | 243 | 37 | 2.416 | (1.856) | 0.392 | (0.333) |
Moving to sit on the edge of a bed | 262 | 1 | 231 | 30 | 2.457 | (1.658) | 0.309 | (0.244) |
Putting a coat on | 274 | 0 | 227 | 47 | 2.463 | (2.323) | 0.425 | (0.395) |
Putting a shirt or blouse on | 262 | 0 | 228 | 34 | 2.495 | (1.842) | 0.360 | (0.287) |
Washing upper body at a sink | 274 | 0 | 243 | 31 | 2.705 | (1.875) | 0.420 | (0.327) |
Answering the front door | 274 | 1 | 233 | 40 | 2.792 | (2.373) | 0.481 | (0.449) |
Getting out of bed into a chair | 262 | 0 | 232 | 30 | 3.019 | (2.132) | 0.581 | (0.448) |
Washing lower body at sink | 293 | 1 | 241 | 51 | 3.037 | (3.098) | 0.722 | (0.761) |
Putting a T-shirt on | 293 | 2 | 257 | 34 | 3.440 | (2.664) | 0.718 | (0.630) |
Locking a door | 262 | 0 | 230 | 32 | 3.366 | (2.512) | 0.970 | (0.749) |